23231122313 has 6 divisors (see below), whose sum is σ = 27023958666. Its totient is φ = 19912390512.

The previous prime is 23231122301. The next prime is 23231122361. The reversal of 23231122313 is 31322113232.

It can be written as a sum of positive squares in only one way, i.e., 11626877584 + 11604244729 = 107828^2 + 107723^2 .

It is not a de Polignac number, because 23231122313 - 2¹⁶ = 23231056777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23231122373) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 237052220 + ... + 237052317.

It is an arithmetic number, because the mean of its divisors is an integer number (4503993111).

Almost surely, 2^23231122313 is an apocalyptic number.

It is an amenable number.

23231122313 is a deficient number, since it is larger than the sum of its proper divisors (3792836353).

23231122313 is an equidigital number, since it uses as much as digits as its factorization.

23231122313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474104551 (or 474104544 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

Adding to 23231122313 its reverse (31322113232), we get a palindrome (54553235545).

The spelling of 23231122313 in words is "twenty-three billion, two hundred thirty-one million, one hundred twenty-two thousand, three hundred thirteen".