23023431 has 12 divisors (see below), whose sum is σ = 33404280. Its totient is φ = 15280560.

The previous prime is 23023417. The next prime is 23023433. The reversal of 23023431 is 13432032.

23023431 is a `hidden beast` number, since 230 + 2 + 3 + 431 = 666.

It is not a de Polignac number, because 23023431 - 2¹⁰ = 23022407 is a prime.

It is a super-2 number, since 2×23023431² = 1060156750023522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23023433) 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, 3525 + ... + 7646.

It is an arithmetic number, because the mean of its divisors is an integer number (2783690).

Almost surely, 2^23023431 is an apocalyptic number.

23023431 is a deficient number, since it is larger than the sum of its proper divisors (10380849).

23023431 is a wasteful number, since it uses less digits than its factorization.

23023431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11406 (or 11403 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 23023431 is about 4798.2737520904. The cubic root of 23023431 is about 284.4832371623.

Adding to 23023431 its reverse (13432032), we get a palindrome (36455463).

The spelling of 23023431 in words is "twenty-three million, twenty-three thousand, four hundred thirty-one".