23255564 has 24 divisors (see below), whose sum is σ = 42288960. Its totient is φ = 11176704.

The previous prime is 23255543. The next prime is 23255567. The reversal of 23255564 is 46555232.

It is a self number, because there is not a number n which added to its sum of digits gives 23255564.

It is not an unprimeable number, because it can be changed into a prime (23255567) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 49997 + ... + 50459.

It is an arithmetic number, because the mean of its divisors is an integer number (1762040).

Almost surely, 2^23255564 is an apocalyptic number.

It is an amenable number.

23255564 is a deficient number, since it is larger than the sum of its proper divisors (19033396).

23255564 is a wasteful number, since it uses less digits than its factorization.

23255564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929 (or 927 counting only the distinct ones).

The product of its digits is 36000, while the sum is 32.

The square root of 23255564 is about 4822.4023059052. The cubic root of 23255564 is about 285.4361394520.

The spelling of 23255564 in words is "twenty-three million, two hundred fifty-five thousand, five hundred sixty-four".