Twelve thousand one hundred twenty three
12123 is an odd number.
12123 is a Harshad number, which means it is divisible by the sum of its digits (1 + 2 + 1 + 2 + 3 = 9, and 12123 is divisible by 9).
In binary, 12123 is represented as 10111101011011.
In hex, 12123 is represented as 2f5b.
Prime factorization of 12123: 33 * 449.