23913171 has 16 divisors (see below), whose sum is σ = 35958400. Its totient is φ = 15702984.

The previous prime is 23913167. The next prime is 23913179. The reversal of 23913171 is 17131932.

It is not a de Polignac number, because 23913171 - 2² = 23913167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23913179) 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, 4801 + ... + 8418.

It is an arithmetic number, because the mean of its divisors is an integer number (2247400).

Almost surely, 2^23913171 is an apocalyptic number.

23913171 is a deficient number, since it is larger than the sum of its proper divisors (12045229).

23913171 is a wasteful number, since it uses less digits than its factorization.

23913171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13295 (or 13289 counting only the distinct ones).

The product of its digits is 1134, while the sum is 27.

The square root of 23913171 is about 4890.1095079763. The cubic root of 23913171 is about 288.1016351357.

The spelling of 23913171 in words is "twenty-three million, nine hundred thirteen thousand, one hundred seventy-one".