23313323013 has 4 divisors (see below), whose sum is σ = 31084430688. Its totient is φ = 15542215340.

The previous prime is 23313322969. The next prime is 23313323021. The reversal of 23313323013 is 31032331332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23313323013 is a prime.

It is a super-2 number, since 2×23313323013² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23313323083) 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, 3885553833 + ... + 3885553838.

It is an arithmetic number, because the mean of its divisors is an integer number (7771107672).

Almost surely, 2^23313323013 is an apocalyptic number.

It is an amenable number.

23313323013 is a deficient number, since it is larger than the sum of its proper divisors (7771107675).

23313323013 is an equidigital number, since it uses as much as digits as its factorization.

23313323013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7771107674.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 23313323013 its reverse (31032331332), we get a palindrome (54345654345).

The spelling of 23313323013 in words is "twenty-three billion, three hundred thirteen million, three hundred twenty-three thousand, thirteen".