23320131213 has 16 divisors (see below), whose sum is σ = 33266571200. Its totient is φ = 14487050880.

The previous prime is 23320131209. The next prime is 23320131221. The reversal of 23320131213 is 31213102332.

It is not a de Polignac number, because 23320131213 - 2² = 23320131209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23320131213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23320131313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3350008 + ... + 3356961.

It is an arithmetic number, because the mean of its divisors is an integer number (2079160700).

Almost surely, 2^23320131213 is an apocalyptic number.

It is an amenable number.

23320131213 is a deficient number, since it is larger than the sum of its proper divisors (9946439987).

23320131213 is a wasteful number, since it uses less digits than its factorization.

23320131213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6707052.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23320131213 its reverse (31213102332), we get a palindrome (54533233545).

The spelling of 23320131213 in words is "twenty-three billion, three hundred twenty million, one hundred thirty-one thousand, two hundred thirteen".