23685139976 has 16 divisors (see below), whose sum is σ = 47021969340. Its totient is φ = 11145948160.

The previous prime is 23685139943. The next prime is 23685140047. The reversal of 23685139976 is 67993158632.

It can be written as a sum of positive squares in 2 ways, for example, as 17643808900 + 6041331076 = 132830^2 + 77726^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87077585 + ... + 87077856.

Almost surely, 2^23685139976 is an apocalyptic number.

It is an amenable number.

23685139976 is a deficient number, since it is larger than the sum of its proper divisors (23336829364).

23685139976 is a wasteful number, since it uses less digits than its factorization.

23685139976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174155464 (or 174155460 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 59.

The spelling of 23685139976 in words is "twenty-three billion, six hundred eighty-five million, one hundred thirty-nine thousand, nine hundred seventy-six".