23336840920 has 64 divisors (see below), whose sum is σ = 54226713600. Its totient is φ = 9029447040.

The previous prime is 23336840903. The next prime is 23336840939. The reversal of 23336840920 is 2904863332.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5130087 + ... + 5134633.

It is an arithmetic number, because the mean of its divisors is an integer number (847292400).

Almost surely, 2^23336840920 is an apocalyptic number.

23336840920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23336840920 is an abundant number, since it is smaller than the sum of its proper divisors (30889872680).

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

23336840920 is a wasteful number, since it uses less digits than its factorization.

23336840920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8728 (or 8724 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 23336840920 in words is "twenty-three billion, three hundred thirty-six million, eight hundred forty thousand, nine hundred twenty".