23166231 has 8 divisors (see below), whose sum is σ = 33696384. Its totient is φ = 14040120.

The previous prime is 23166229. The next prime is 23166233. The reversal of 23166231 is 13266132.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23166229) and next prime (23166233).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23166231 - 2¹ = 23166229 is a prime.

It is a super-2 number, since 2×23166231² = 1073348517490722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23166233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350971 + ... + 351036.

It is an arithmetic number, because the mean of its divisors is an integer number (4212048).

Almost surely, 2^23166231 is an apocalyptic number.

23166231 is a deficient number, since it is larger than the sum of its proper divisors (10530153).

23166231 is a wasteful number, since it uses less digits than its factorization.

23166231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702021.

The product of its digits is 1296, while the sum is 24.

The square root of 23166231 is about 4813.1311014765. The cubic root of 23166231 is about 285.0701827773.

Subtracting from 23166231 its reverse (13266132), we obtain a palindrome (9900099).

The spelling of 23166231 in words is "twenty-three million, one hundred sixty-six thousand, two hundred thirty-one".