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| Cardinal | one hundred twenty-three | |||
| Ordinal | 123rd (one hundred twenty-third) | |||
| Factorization | 3 × 41 | |||
| Divisors | 1, 3, 41, 123 | |||
| Greek numeral | ΡΚΓ´ | |||
| Roman numeral | CXXIII | |||
| Binary | 11110112 | |||
| Ternary | 111203 | |||
| Senary | 3236 | |||
| Octal | 1738 | |||
| Duodecimal | A312 | |||
| Hexadecimal | 7B16 | |||
123 (one hundred [and] twenty-three) is the natural number following 122 and preceding 124.
The Book of Numbers says that Aaron died at the age of 123. [4]
In numerology, the sequence of 123 is associated with progress and the Holy Trinity, so it may be referred to as the Trinity of Progress or Triad of Progress. [5]
123 is also:
1-2-3; 1, 2, 3; or One, Two, Three may refer to:
111 is the natural number following 110 and preceding 112.
81 (eighty-one) is the natural number following 80 and preceding 82.
97 (ninety-seven) is the natural number following 96 and preceding 98. It is a prime number and the only prime in the nineties.
120 is the natural number following 119 and preceding 121.
300 is the natural number following 299 and preceding 301.
360 is the natural number following 359 and preceding 361.
400 is the natural number following 399 and preceding 401.
127 is the natural number following 126 and preceding 128. It is also a prime number.
500 is the natural number following 499 and preceding 501.
700 is the natural number following 699 and preceding 701.
900 is the natural number following 899 and preceding 901. It is the square of 30 and the sum of Euler's totient function for the first 54 positive integers. In base 10 it is a Harshad number. It is also the first number to be the square of a sphenic number.
2000 is a natural number following 1999 and preceding 2001.
3000 is the natural number following 2999 and preceding 3001. It is the smallest number requiring thirteen letters in English.
E.123 is an international standard by the standardization union (ITU-T), entitled Notation for national and international telephone numbers, e-mail addresses and web addresses. It provides guidelines for the presentation of telephone numbers, email addresses, and web addresses in print, on letterheads, and similar purposes.
148 is the natural number following 147 and before 149.
182 is the natural number following 181 and preceding 183.
204 is the natural number following 203 and preceding 205.
252 is the natural number following 251 and preceding 253.
In mathematics, the Mian–Chowla sequence is an integer sequence defined recursively in the following way. The sequence starts with