23555560 has 32 divisors (see below), whose sum is σ = 60572160. Its totient is φ = 8076096.

The previous prime is 23555551. The next prime is 23555561. The reversal of 23555560 is 6555532.

It is not an unprimeable number, because it can be changed into a prime (23555561) 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, 41784 + ... + 42343.

It is an arithmetic number, because the mean of its divisors is an integer number (1892880).

Almost surely, 2^23555560 is an apocalyptic number.

23555560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23555560 is an abundant number, since it is smaller than the sum of its proper divisors (37016600).

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

23555560 is a wasteful number, since it uses less digits than its factorization.

23555560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84145 (or 84141 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 23555560 is about 4853.4070507222. The cubic root of 23555560 is about 286.6582714926.

The spelling of 23555560 in words is "twenty-three million, five hundred fifty-five thousand, five hundred sixty".