23249231 has 2 divisors, whose sum is σ = 23249232. Its totient is φ = 23249230.

The previous prime is 23249227. The next prime is 23249267. The reversal of 23249231 is 13294232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23249231 - 2² = 23249227 is a prime.

It is a super-2 number, since 2×23249231² = 1081053484182722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23249231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23249221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11624615 + 11624616.

It is an arithmetic number, because the mean of its divisors is an integer number (11624616).

Almost surely, 2^23249231 is an apocalyptic number.

23249231 is a deficient number, since it is larger than the sum of its proper divisors (1).

23249231 is an equidigital number, since it uses as much as digits as its factorization.

23249231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 26.

The square root of 23249231 is about 4821.7456382518. The cubic root of 23249231 is about 285.4102269265.

The spelling of 23249231 in words is "twenty-three million, two hundred forty-nine thousand, two hundred thirty-one".