23473131 has 8 divisors (see below), whose sum is σ = 34142784. Its totient is φ = 14226120.

The previous prime is 23473129. The next prime is 23473139. The reversal of 23473131 is 13137432.

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

It is not a de Polignac number, because 23473131 - 2¹ = 23473129 is a prime.

It is a super-2 number, since 2×23473131² = 1101975757886322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (23473139) 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, 355621 + ... + 355686.

It is an arithmetic number, because the mean of its divisors is an integer number (4267848).

Almost surely, 2^23473131 is an apocalyptic number.

23473131 is a deficient number, since it is larger than the sum of its proper divisors (10669653).

23473131 is a wasteful number, since it uses less digits than its factorization.

23473131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711321.

The product of its digits is 1512, while the sum is 24.

The square root of 23473131 is about 4844.9077390596. The cubic root of 23473131 is about 286.3235087683.

The spelling of 23473131 in words is "twenty-three million, four hundred seventy-three thousand, one hundred thirty-one".