255123723204 has 54 divisors (see below), whose sum is σ = 750185238894. Its totient is φ = 72892491840.

The previous prime is 255123723133. The next prime is 255123723227. The reversal of 255123723204 is 402327321552.

255123723204 is a `hidden beast` number, since 2 + 551 + 2 + 3 + 72 + 32 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 204991617600 + 50132105604 = 452760^2 + 223902^2 .

It is a super-2 number, since 2×255123723204² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 72312217 + ... + 72315744.

Almost surely, 2^255123723204 is an apocalyptic number.

It is an amenable number.

255123723204 is an abundant number, since it is smaller than the sum of its proper divisors (495061515690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255123723204 is a wasteful number, since it uses less digits than its factorization.

255123723204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144627985 (or 144627973 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The spelling of 255123723204 in words is "two hundred fifty-five billion, one hundred twenty-three million, seven hundred twenty-three thousand, two hundred four".