23131339986 has 32 divisors (see below), whose sum is σ = 49203721728. Its totient is φ = 7224341760.

The previous prime is 23131339961. The next prime is 23131339999. The reversal of 23131339986 is 68993313132.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 485725 + ... + 531216.

It is an arithmetic number, because the mean of its divisors is an integer number (1537616304).

Almost surely, 2^23131339986 is an apocalyptic number.

23131339986 is an abundant number, since it is smaller than the sum of its proper divisors (26072381742).

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

23131339986 is a wasteful number, since it uses less digits than its factorization.

23131339986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017186.

The product of its digits is 629856, while the sum is 48.

The spelling of 23131339986 in words is "twenty-three billion, one hundred thirty-one million, three hundred thirty-nine thousand, nine hundred eighty-six".