23315393864 has 32 divisors (see below), whose sum is σ = 50419934400. Its totient is φ = 9900636480.

The previous prime is 23315393837. The next prime is 23315393873. The reversal of 23315393864 is 46839351332.

It is a happy number.

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, 1903742 + ... + 1915949.

It is an arithmetic number, because the mean of its divisors is an integer number (1575622950).

Almost surely, 2^23315393864 is an apocalyptic number.

It is an amenable number.

23315393864 is an abundant number, since it is smaller than the sum of its proper divisors (27104540536).

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

23315393864 is a wasteful number, since it uses less digits than its factorization.

23315393864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3819813 (or 3819809 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 47.

The spelling of 23315393864 in words is "twenty-three billion, three hundred fifteen million, three hundred ninety-three thousand, eight hundred sixty-four".