23656023400 has 24 divisors (see below), whose sum is σ = 55000254870. Its totient is φ = 9462409280.

The previous prime is 23656023271. The next prime is 23656023401. The reversal of 23656023400 is 432065632.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 19700368164 + 3955655236 = 140358^2 + 62894^2 .

It is not an unprimeable number, because it can be changed into a prime (23656023401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59139859 + ... + 59140258.

Almost surely, 2^23656023400 is an apocalyptic number.

23656023400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23656023400 is an abundant number, since it is smaller than the sum of its proper divisors (31344231470).

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

23656023400 is a wasteful number, since it uses less digits than its factorization.

23656023400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118280133 (or 118280124 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

The spelling of 23656023400 in words is "twenty-three billion, six hundred fifty-six million, twenty-three thousand, four hundred".