23131807 has 8 divisors (see below), whose sum is σ = 23758416. Its totient is φ = 22509312.

The previous prime is 23131793. The next prime is 23131811. The reversal of 23131807 is 70813132.

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

It is a cyclic number.

It is not a de Polignac number, because 23131807 - 2¹¹ = 23129759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131837) 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, 12783 + ... + 14479.

It is an arithmetic number, because the mean of its divisors is an integer number (2969802).

Almost surely, 2^23131807 is an apocalyptic number.

23131807 is a deficient number, since it is larger than the sum of its proper divisors (626609).

23131807 is a wasteful number, since it uses less digits than its factorization.

23131807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 23131807 is about 4809.5537215006. The cubic root of 23131807 is about 284.9289121971.

Adding to 23131807 its reverse (70813132), we get a palindrome (93944939).

The spelling of 23131807 in words is "twenty-three million, one hundred thirty-one thousand, eight hundred seven".