23153171 has 4 divisors (see below), whose sum is σ = 23479344. Its totient is φ = 22827000.

The previous prime is 23153161. The next prime is 23153173. The reversal of 23153171 is 17135132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23153171 - 2²² = 18958867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23153173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162980 + ... + 163121.

It is an arithmetic number, because the mean of its divisors is an integer number (5869836).

Almost surely, 2^23153171 is an apocalyptic number.

23153171 is a deficient number, since it is larger than the sum of its proper divisors (326173).

23153171 is an equidigital number, since it uses as much as digits as its factorization.

23153171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326172.

The product of its digits is 630, while the sum is 23.

The square root of 23153171 is about 4811.7742050100. The cubic root of 23153171 is about 285.0166031160.

The spelling of 23153171 in words is "twenty-three million, one hundred fifty-three thousand, one hundred seventy-one".