23122323013 has 4 divisors (see below), whose sum is σ = 23747250700. Its totient is φ = 22497395328.

The previous prime is 23122323001. The next prime is 23122323041. The reversal of 23122323013 is 31032322132.

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 8226852804 + 14895470209 = 90702^2 + 122047^2 .

It is a cyclic number.

It is not a de Polignac number, because 23122323013 - 2³³ = 14532388421 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 (23122323083) 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, 312463788 + ... + 312463861.

It is an arithmetic number, because the mean of its divisors is an integer number (5936812675).

Almost surely, 2^23122323013 is an apocalyptic number.

It is an amenable number.

23122323013 is a deficient number, since it is larger than the sum of its proper divisors (624927687).

23122323013 is an equidigital number, since it uses as much as digits as its factorization.

23122323013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624927686.

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

Adding to 23122323013 its reverse (31032322132), we get a palindrome (54154645145).

The spelling of 23122323013 in words is "twenty-three billion, one hundred twenty-two million, three hundred twenty-three thousand, thirteen".