23225431 has 2 divisors, whose sum is σ = 23225432. Its totient is φ = 23225430.

The previous prime is 23225413. The next prime is 23225441. The reversal of 23225431 is 13452232.

Together with previous prime (23225413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23225431 - 2⁵ = 23225399 is a prime.

It is a super-2 number, since 2×23225431² = 1078841290271522, which contains 22 as substring.

It is equal to p_1461523 and since 23225431 and 1461523 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23225401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11612715 + 11612716.

It is an arithmetic number, because the mean of its divisors is an integer number (11612716).

Almost surely, 2^23225431 is an apocalyptic number.

23225431 is a deficient number, since it is larger than the sum of its proper divisors (1).

23225431 is an equidigital number, since it uses as much as digits as its factorization.

23225431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 22.

The square root of 23225431 is about 4819.2770204669. The cubic root of 23225431 is about 285.3128031649.

Adding to 23225431 its reverse (13452232), we get a palindrome (36677663).

The spelling of 23225431 in words is "twenty-three million, two hundred twenty-five thousand, four hundred thirty-one".