23480431 has 12 divisors (see below), whose sum is σ = 25812808. Its totient is φ = 21232224.

The previous prime is 23480419. The next prime is 23480437. The reversal of 23480431 is 13408432.

It is not a de Polignac number, because 23480431 - 2⁵ = 23480399 is a prime.

It is a super-2 number, since 2×23480431² = 1102661279891522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23480396 and 23480405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23480437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36196 + ... + 36838.

Almost surely, 2^23480431 is an apocalyptic number.

23480431 is a deficient number, since it is larger than the sum of its proper divisors (2332377).

23480431 is an equidigital number, since it uses as much as digits as its factorization.

23480431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 23480431 is about 4845.6610488147. The cubic root of 23480431 is about 286.3531873112.

Adding to 23480431 its reverse (13408432), we get a palindrome (36888863).

The spelling of 23480431 in words is "twenty-three million, four hundred eighty thousand, four hundred thirty-one".