23565056420 has 48 divisors (see below), whose sum is σ = 50586957120. Its totient is φ = 9218461824.

The previous prime is 23565056377. The next prime is 23565056423. The reversal of 23565056420 is 2465056532.

It is not an unprimeable number, because it can be changed into a prime (23565056423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123002 + ... + 249518.

It is an arithmetic number, because the mean of its divisors is an integer number (1053894940).

Almost surely, 2^23565056420 is an apocalyptic number.

23565056420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23565056420 is an abundant number, since it is smaller than the sum of its proper divisors (27021900700).

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

23565056420 is a wasteful number, since it uses less digits than its factorization.

23565056420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126732 (or 126730 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 23565056420 in words is "twenty-three billion, five hundred sixty-five million, fifty-six thousand, four hundred twenty".