23456560 has 20 divisors (see below), whose sum is σ = 54536688. Its totient is φ = 9382592.

The previous prime is 23456539. The next prime is 23456561. The reversal of 23456560 is 6565432.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (23456561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146524 + ... + 146683.

Almost surely, 2^23456560 is an apocalyptic number.

23456560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23456560 is an abundant number, since it is smaller than the sum of its proper divisors (31080128).

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

23456560 is a wasteful number, since it uses less digits than its factorization.

23456560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293220 (or 293214 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 23456560 is about 4843.1972910465. The cubic root of 23456560 is about 286.2561156312.

The spelling of 23456560 in words is "twenty-three million, four hundred fifty-six thousand, five hundred sixty".