23685682538 has 16 divisors (see below), whose sum is σ = 40610113344. Its totient is φ = 10149485280.

The previous prime is 23685682469. The next prime is 23685682541. The reversal of 23685682538 is 83528658632.

It is a super-2 number, since 2×23685682538² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27368 + ... + 219363.

It is an arithmetic number, because the mean of its divisors is an integer number (2538132084).

Almost surely, 2^23685682538 is an apocalyptic number.

23685682538 is a deficient number, since it is larger than the sum of its proper divisors (16924430806).

23685682538 is a wasteful number, since it uses less digits than its factorization.

23685682538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253597.

The product of its digits is 16588800, while the sum is 56.

The spelling of 23685682538 in words is "twenty-three billion, six hundred eighty-five million, six hundred eighty-two thousand, five hundred thirty-eight".