23605231 has 24 divisors (see below), whose sum is σ = 27713504. Its totient is φ = 19975680.

The previous prime is 23605213. The next prime is 23605243. The reversal of 23605231 is 13250632.

It is not a de Polignac number, because 23605231 - 2⁹ = 23604719 is a prime.

It is a super-2 number, since 2×23605231² = 1114413861126722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23605261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 229126 + ... + 229228.

Almost surely, 2^23605231 is an apocalyptic number.

23605231 is a deficient number, since it is larger than the sum of its proper divisors (4108273).

23605231 is a wasteful number, since it uses less digits than its factorization.

23605231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 23605231 is about 4858.5214829205. The cubic root of 23605231 is about 286.8596196601.

Adding to 23605231 its reverse (13250632), we get a palindrome (36855863).

The spelling of 23605231 in words is "twenty-three million, six hundred five thousand, two hundred thirty-one".