23712320400 has 60 divisors (see below), whose sum is σ = 75958470192. Its totient is φ = 6323285120.

The previous prime is 23712320383. The next prime is 23712320407. The reversal of 23712320400 is 402321732.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (23712320407) 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, 9878934 + ... + 9881333.

Almost surely, 2^23712320400 is an apocalyptic number.

23712320400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23712320400 is an abundant number, since it is smaller than the sum of its proper divisors (52246149792).

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

23712320400 is a wasteful number, since it uses less digits than its factorization.

23712320400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19760288 (or 19760277 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The spelling of 23712320400 in words is "twenty-three billion, seven hundred twelve million, three hundred twenty thousand, four hundred".