23210431 has 2 divisors, whose sum is σ = 23210432. Its totient is φ = 23210430.

The previous prime is 23210417. The next prime is 23210459. The reversal of 23210431 is 13401232.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23210431 - 2⁷ = 23210303 is a prime.

It is a super-2 number, since 2×23210431² = 1077448214411522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23210401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11605215 + 11605216.

It is an arithmetic number, because the mean of its divisors is an integer number (11605216).

Almost surely, 2^23210431 is an apocalyptic number.

23210431 is a deficient number, since it is larger than the sum of its proper divisors (1).

23210431 is an equidigital number, since it uses as much as digits as its factorization.

23210431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 23210431 is about 4817.7205190837. The cubic root of 23210431 is about 285.2513674379.

Adding to 23210431 its reverse (13401232), we get a palindrome (36611663).

The spelling of 23210431 in words is "twenty-three million, two hundred ten thousand, four hundred thirty-one".