23254431 has 4 divisors (see below), whose sum is σ = 31005912. Its totient is φ = 15502952.

The previous prime is 23254411. The next prime is 23254447. The reversal of 23254431 is 13445232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23254431 is a prime.

It is a super-2 number, since 2×23254431² = 1081537122267522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23254411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3875736 + ... + 3875741.

It is an arithmetic number, because the mean of its divisors is an integer number (7751478).

Almost surely, 2^23254431 is an apocalyptic number.

23254431 is a deficient number, since it is larger than the sum of its proper divisors (7751481).

23254431 is an equidigital number, since it uses as much as digits as its factorization.

23254431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7751480.

The product of its digits is 2880, while the sum is 24.

The square root of 23254431 is about 4822.2848319028. The cubic root of 23254431 is about 285.4315039392.

Adding to 23254431 its reverse (13445232), we get a palindrome (36699663).

The spelling of 23254431 in words is "twenty-three million, two hundred fifty-four thousand, four hundred thirty-one".