23975 has 12 divisors (see below), whose sum is σ = 34224. Its totient is φ = 16320.

The previous prime is 23971. The next prime is 23977. The reversal of 23975 is 57932.

It is not a de Polignac number, because 23975 - 2² = 23971 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107 + ... + 243.

It is an arithmetic number, because the mean of its divisors is an integer number (2852).

2²³⁹⁷⁵ is an apocalyptic number.

23975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23975 is a deficient number, since it is larger than the sum of its proper divisors (10249).

23975 is a wasteful number, since it uses less digits than its factorization.

23975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 149 counting only the distinct ones).

The product of its digits is 1890, while the sum is 26.

The square root of 23975 is about 154.8386256720. The cubic root of 23975 is about 28.8349723045.

The spelling of 23975 in words is "twenty-three thousand, nine hundred seventy-five".