23452431 has 8 divisors (see below), whose sum is σ = 31305264. Its totient is φ = 15617280.

The previous prime is 23452427. The next prime is 23452477. The reversal of 23452431 is 13425432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23452431 - 2² = 23452427 is a prime.

It is a super-2 number, since 2×23452431² = 1100033039619522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23452531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930 + ... + 6911.

It is an arithmetic number, because the mean of its divisors is an integer number (3913158).

Almost surely, 2^23452431 is an apocalyptic number.

23452431 is a deficient number, since it is larger than the sum of its proper divisors (7852833).

23452431 is an equidigital number, since it uses as much as digits as its factorization.

23452431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8841.

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

The square root of 23452431 is about 4842.7710042908. The cubic root of 23452431 is about 286.2393183279.

Adding to 23452431 its reverse (13425432), we get a palindrome (36877863).

The spelling of 23452431 in words is "twenty-three million, four hundred fifty-two thousand, four hundred thirty-one".