23555872 has 12 divisors (see below), whose sum is σ = 46375686. Its totient is φ = 11777920.

The previous prime is 23555869. The next prime is 23555891. The reversal of 23555872 is 27855532.

It can be written as a sum of positive squares in only one way, i.e., 19044496 + 4511376 = 4364^2 + 2124^2 .

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 as a sum of consecutive naturals, namely, 368029 + ... + 368092.

Almost surely, 2^23555872 is an apocalyptic number.

It is an amenable number.

23555872 is a deficient number, since it is larger than the sum of its proper divisors (22819814).

23555872 is an equidigital number, since it uses as much as digits as its factorization.

23555872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736131 (or 736123 counting only the distinct ones).

The product of its digits is 84000, while the sum is 37.

The square root of 23555872 is about 4853.4391929847. The cubic root of 23555872 is about 286.6595371101.

It can be divided in two parts, 2355587 and 2, that multiplied together give a palindrome (4711174).

The spelling of 23555872 in words is "twenty-three million, five hundred fifty-five thousand, eight hundred seventy-two".