23231020313 has 16 divisors (see below), whose sum is σ = 23995319040. Its totient is φ = 22481060304.

The previous prime is 23231020289. The next prime is 23231020331. The reversal of 23231020313 is 31302013232.

It is a cyclic number.

It is not a de Polignac number, because 23231020313 - 2¹⁶ = 23230954777 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 (23231023313) 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, 1377470 + ... + 1394232.

It is an arithmetic number, because the mean of its divisors is an integer number (1499707440).

Almost surely, 2^23231020313 is an apocalyptic number.

It is an amenable number.

23231020313 is a deficient number, since it is larger than the sum of its proper divisors (764298727).

23231020313 is a wasteful number, since it uses less digits than its factorization.

23231020313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17188.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23231020313 its reverse (31302013232), we get a palindrome (54533033545).

The spelling of 23231020313 in words is "twenty-three billion, two hundred thirty-one million, twenty thousand, three hundred thirteen".