23531875 has 20 divisors (see below), whose sum is σ = 30702672. Its totient is φ = 17996000.

The previous prime is 23531863. The next prime is 23531881. The reversal of 23531875 is 57813532.

It is not a de Polignac number, because 23531875 - 2¹³ = 23523683 is a prime.

It is a Duffinian number.

Its product of digits (25200) is a multiple of the sum of its prime factors (1680).

It is a self number, because there is not a number n which added to its sum of digits gives 23531875.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13557 + ... + 15193.

Almost surely, 2^23531875 is an apocalyptic number.

23531875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23531875 is a deficient number, since it is larger than the sum of its proper divisors (7170797).

23531875 is an equidigital number, since it uses as much as digits as its factorization.

23531875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680 (or 1665 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 23531875 is about 4850.9663985643. The cubic root of 23531875 is about 286.5621614442.

The spelling of 23531875 in words is "twenty-three million, five hundred thirty-one thousand, eight hundred seventy-five".