23563972 has 12 divisors (see below), whose sum is σ = 43662780. Its totient is φ = 11088896.

The previous prime is 23563927. The next prime is 23564017. The reversal of 23563972 is 27936532.

It is an interprime number because it is at equal distance from previous prime (23563927) and next prime (23564017).

It can be written as a sum of positive squares in 2 ways, for example, as 15634116 + 7929856 = 3954^2 + 2816^2 .

It is an unprimeable number.

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, 173197 + ... + 173332.

It is an arithmetic number, because the mean of its divisors is an integer number (3638565).

Almost surely, 2^23563972 is an apocalyptic number.

It is an amenable number.

23563972 is a deficient number, since it is larger than the sum of its proper divisors (20098808).

23563972 is a wasteful number, since it uses less digits than its factorization.

23563972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346550 (or 346548 counting only the distinct ones).

The product of its digits is 68040, while the sum is 37.

The square root of 23563972 is about 4854.2735810830. The cubic root of 23563972 is about 286.6923905766.

It can be divided in two parts, 2356 and 3972, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 23563972 in words is "twenty-three million, five hundred sixty-three thousand, nine hundred seventy-two".