23375 has 16 divisors (see below), whose sum is σ = 33696. Its totient is φ = 16000.

The previous prime is 23371. The next prime is 23399. The reversal of 23375 is 57332.

It is not a de Polignac number, because 23375 - 2² = 23371 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1367 + ... + 1383.

It is an arithmetic number, because the mean of its divisors is an integer number (2106).

2²³³⁷⁵ is an apocalyptic number.

23375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23375 is the 125-th pentagonal number.

23375 is a deficient number, since it is larger than the sum of its proper divisors (10321).

23375 is a wasteful number, since it uses less digits than its factorization.

23375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43 (or 33 counting only the distinct ones).

The product of its digits is 630, while the sum is 20.

The square root of 23375 is about 152.8888485142. Note that the first 4 decimals coincide. The cubic root of 23375 is about 28.5923953244.

The spelling of 23375 in words is "twenty-three thousand, three hundred seventy-five".