23056940 has 24 divisors (see below), whose sum is σ = 49035840. Its totient is φ = 9105408.

The previous prime is 23056939. The next prime is 23056949. The reversal of 23056940 is 4965032.

It is not an unprimeable number, because it can be changed into a prime (23056949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5717 + ... + 8876.

It is an arithmetic number, because the mean of its divisors is an integer number (2043160).

Almost surely, 2^23056940 is an apocalyptic number.

23056940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23056940 is an abundant number, since it is smaller than the sum of its proper divisors (25978900).

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

23056940 is a wasteful number, since it uses less digits than its factorization.

23056940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14681 (or 14679 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 23056940 is about 4801.7642591031. The cubic root of 23056940 is about 284.6211854374.

The spelling of 23056940 in words is "twenty-three million, fifty-six thousand, nine hundred forty".