23315812 has 24 divisors (see below), whose sum is σ = 46256000. Its totient is φ = 10194336.

The previous prime is 23315783. The next prime is 23315819. The reversal of 23315812 is 21851332.

It is not an unprimeable number, because it can be changed into a prime (23315819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10812 + ... + 12787.

Almost surely, 2^23315812 is an apocalyptic number.

It is an amenable number.

23315812 is a deficient number, since it is larger than the sum of its proper divisors (22940188).

23315812 is a wasteful number, since it uses less digits than its factorization.

23315812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23635 (or 23633 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 23315812 is about 4828.6449444953. The cubic root of 23315812 is about 285.6824192555.

The spelling of 23315812 in words is "twenty-three million, three hundred fifteen thousand, eight hundred twelve".