23023231 has 16 divisors (see below), whose sum is σ = 30216960. Its totient is φ = 16994880.

The previous prime is 23023223. The next prime is 23023237. The reversal of 23023231 is 13232032.

It is not a de Polignac number, because 23023231 - 2³ = 23023223 is a prime.

It is a super-2 number, since 2×23023231² = 1060138331358722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23023237) 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, 6406 + ... + 9331.

It is an arithmetic number, because the mean of its divisors is an integer number (1888560).

Almost surely, 2^23023231 is an apocalyptic number.

23023231 is a deficient number, since it is larger than the sum of its proper divisors (7193729).

23023231 is a wasteful number, since it uses less digits than its factorization.

23023231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15774.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 23023231 is about 4798.2529112167. The cubic root of 23023231 is about 284.4824134100.

Adding to 23023231 its reverse (13232032), we get a palindrome (36255263).

The spelling of 23023231 in words is "twenty-three million, twenty-three thousand, two hundred thirty-one".