23188056 has 64 divisors (see below), whose sum is σ = 61564800. Its totient is φ = 7257600.

The previous prime is 23188049. The next prime is 23188063. The reversal of 23188056 is 65088132.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23188049) and next prime (23188063).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96096 + ... + 96336.

It is an arithmetic number, because the mean of its divisors is an integer number (961950).

Almost surely, 2^23188056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23188056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30782400).

23188056 is an abundant number, since it is smaller than the sum of its proper divisors (38376744).

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

23188056 is a wasteful number, since it uses less digits than its factorization.

23188056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 23188056 is about 4815.3978028819. The cubic root of 23188056 is about 285.1596766033.

The spelling of 23188056 in words is "twenty-three million, one hundred eighty-eight thousand, fifty-six".