123885165924 has 72 divisors (see below), whose sum is σ = 337284467520. Its totient is φ = 38113820352.

The previous prime is 123885165919. The next prime is 123885165941. The reversal of 123885165924 is 429561588321.

123885165924 is a `hidden beast` number, since 1 + 2 + 38 + 8 + 5 + 16 + 592 + 4 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7211257 + ... + 7228415.

Almost surely, 2^123885165924 is an apocalyptic number.

It is an amenable number.

123885165924 is an abundant number, since it is smaller than the sum of its proper divisors (213399301596).

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

123885165924 is a wasteful number, since it uses less digits than its factorization.

123885165924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32609 (or 32604 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 54.

The spelling of 123885165924 in words is "one hundred twenty-three billion, eight hundred eighty-five million, one hundred sixty-five thousand, nine hundred twenty-four".