23331320313 has 128 divisors (see below), whose sum is σ = 40719974400. Its totient is φ = 11575872000.

The previous prime is 23331320303. The next prime is 23331320317. The reversal of 23331320313 is 31302313332.

It is not a de Polignac number, because 23331320313 - 2¹⁴ = 23331303929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23331320317) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 22198638 + ... + 22199688.

It is an arithmetic number, because the mean of its divisors is an integer number (318124800).

Almost surely, 2^23331320313 is an apocalyptic number.

23331320313 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23331320313 is a deficient number, since it is larger than the sum of its proper divisors (17388654087).

23331320313 is a wasteful number, since it uses less digits than its factorization.

23331320313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203.

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

Adding to 23331320313 its reverse (31302313332), we get a palindrome (54633633645).

The spelling of 23331320313 in words is "twenty-three billion, three hundred thirty-one million, three hundred twenty thousand, three hundred thirteen".