23700138688 has 28 divisors (see below), whose sum is σ = 48123688360. Its totient is φ = 11574484992.

The previous prime is 23700138673. The next prime is 23700138701. The reversal of 23700138688 is 88683100732.

It is a super-2 number, since 2×23700138688² (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 3 ways as a sum of consecutive naturals, for example, 4303233 + ... + 4308736.

Almost surely, 2^23700138688 is an apocalyptic number.

It is an amenable number.

23700138688 is an abundant number, since it is smaller than the sum of its proper divisors (24423549672).

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

23700138688 is an equidigital number, since it uses as much as digits as its factorization.

23700138688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8612024 (or 8612014 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 23700138688 in words is "twenty-three billion, seven hundred million, one hundred thirty-eight thousand, six hundred eighty-eight".