23912997312 has 56 divisors (see below), whose sum is σ = 63355337856. Its totient is φ = 7960223488.

The previous prime is 23912997253. The next prime is 23912997359. The reversal of 23912997312 is 21379921932.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent 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, 58843 + ... + 226469.

Almost surely, 2^23912997312 is an apocalyptic number.

It is an amenable number.

23912997312 is an abundant number, since it is smaller than the sum of its proper divisors (39442340544).

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

23912997312 is a wasteful number, since it uses less digits than its factorization.

23912997312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168385 (or 168375 counting only the distinct ones).

The product of its digits is 367416, while the sum is 48.

The spelling of 23912997312 in words is "twenty-three billion, nine hundred twelve million, nine hundred ninety-seven thousand, three hundred twelve".