23131302223 has 16 divisors (see below), whose sum is σ = 24319110816. Its totient is φ = 21976335360.

The previous prime is 23131302191. The next prime is 23131302317. The reversal of 23131302223 is 32220313132.

It is a cyclic number.

It is not a de Polignac number, because 23131302223 - 2⁵ = 23131302191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23131302194 and 23131302203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131302923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574665 + ... + 613597.

It is an arithmetic number, because the mean of its divisors is an integer number (1519944426).

Almost surely, 2^23131302223 is an apocalyptic number.

23131302223 is a deficient number, since it is larger than the sum of its proper divisors (1187808593).

23131302223 is a wasteful number, since it uses less digits than its factorization.

23131302223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39354.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 23131302223 its reverse (32220313132), we get a palindrome (55351615355).

The spelling of 23131302223 in words is "twenty-three billion, one hundred thirty-one million, three hundred two thousand, two hundred twenty-three".