23112513534400 has 84 divisors (see below), whose sum is σ = 59343890823792. Its totient is φ = 8843048642560.

The previous prime is 23112513534353. The next prime is 23112513534401. The reversal of 23112513534400 is 443531521132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23112513534401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 313991917 + ... + 314065516.

Almost surely, 2^{23112513534400} is an apocalyptic number.

23112513534400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23112513534400 is an abundant number, since it is smaller than the sum of its proper divisors (36231377289392).

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

23112513534400 is a wasteful number, since it uses less digits than its factorization.

23112513534400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628057478 (or 628057463 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 23112513534400 in words is "twenty-three trillion, one hundred twelve billion, five hundred thirteen million, five hundred thirty-four thousand, four hundred".