23315366512 has 20 divisors (see below), whose sum is σ = 45179224416. Its totient is φ = 11656211840.

The previous prime is 23315366479. The next prime is 23315366519. The reversal of 23315366512 is 21566351332.

It is a super-2 number, since 2×23315366512² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23315366519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44937 + ... + 220567.

Almost surely, 2^23315366512 is an apocalyptic number.

It is an amenable number.

23315366512 is a deficient number, since it is larger than the sum of its proper divisors (21863857904).

23315366512 is a wasteful number, since it uses less digits than its factorization.

23315366512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183936 (or 183930 counting only the distinct ones).

The product of its digits is 97200, while the sum is 37.

The spelling of 23315366512 in words is "twenty-three billion, three hundred fifteen million, three hundred sixty-six thousand, five hundred twelve".