23232431 has 2 divisors, whose sum is σ = 23232432. Its totient is φ = 23232430.

The previous prime is 23232409. The next prime is 23232439. The reversal of 23232431 is 13423232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23232431 - 2¹⁴ = 23216047 is a prime.

It is a super-2 number, since 2×23232431² = 1079491700339522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23232439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11616215 + 11616216.

It is an arithmetic number, because the mean of its divisors is an integer number (11616216).

Almost surely, 2^23232431 is an apocalyptic number.

23232431 is a deficient number, since it is larger than the sum of its proper divisors (1).

23232431 is an equidigital number, since it uses as much as digits as its factorization.

23232431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 20.

The square root of 23232431 is about 4820.0032157666. The cubic root of 23232431 is about 285.3414641187.

Adding to 23232431 its reverse (13423232), we get a palindrome (36655663).

The spelling of 23232431 in words is "twenty-three million, two hundred thirty-two thousand, four hundred thirty-one".