23123231313 has 16 divisors (see below), whose sum is σ = 37945815936. Its totient is φ = 12196869120.

The previous prime is 23123231293. The next prime is 23123231357. The reversal of 23123231313 is 31313232132.

It is not a de Polignac number, because 23123231313 - 2⁵ = 23123231281 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23123231393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42349968 + ... + 42350513.

It is an arithmetic number, because the mean of its divisors is an integer number (2371613496).

Almost surely, 2^23123231313 is an apocalyptic number.

It is an amenable number.

23123231313 is a deficient number, since it is larger than the sum of its proper divisors (14822584623).

23123231313 is a wasteful number, since it uses less digits than its factorization.

23123231313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84700504.

The product of its digits is 1944, while the sum is 24.

Adding to 23123231313 its reverse (31313232132), we get a palindrome (54436463445).

The spelling of 23123231313 in words is "twenty-three billion, one hundred twenty-three million, two hundred thirty-one thousand, three hundred thirteen".