23131010237 has 4 divisors (see below), whose sum is σ = 24491657916. Its totient is φ = 21770362560.

The previous prime is 23131010233. The next prime is 23131010257. The reversal of 23131010237 is 73201013132.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14397360121 + 8733650116 = 119989^2 + 93454^2 .

It is a cyclic number.

It is not a de Polignac number, because 23131010237 - 2² = 23131010233 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 (23131010233) 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, 680323814 + ... + 680323847.

It is an arithmetic number, because the mean of its divisors is an integer number (6122914479).

Almost surely, 2^23131010237 is an apocalyptic number.

It is an amenable number.

23131010237 is a deficient number, since it is larger than the sum of its proper divisors (1360647679).

23131010237 is a wasteful number, since it uses less digits than its factorization.

23131010237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360647678.

The product of its (nonzero) digits is 756, while the sum is 23.

Adding to 23131010237 its reverse (73201013132), we get a palindrome (96332023369).

The spelling of 23131010237 in words is "twenty-three billion, one hundred thirty-one million, ten thousand, two hundred thirty-seven".