23321321113 has 2 divisors, whose sum is σ = 23321321114. Its totient is φ = 23321321112.

The previous prime is 23321321083. The next prime is 23321321119. The reversal of 23321321113 is 31112312332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19277378649 + 4043942464 = 138843^2 + 63592^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23321321113 is a prime.

It is not a weakly prime, because it can be changed into another prime (23321321119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11660660556 + 11660660557.

It is an arithmetic number, because the mean of its divisors is an integer number (11660660557).

Almost surely, 2^23321321113 is an apocalyptic number.

It is an amenable number.

23321321113 is a deficient number, since it is larger than the sum of its proper divisors (1).

23321321113 is an equidigital number, since it uses as much as digits as its factorization.

23321321113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 22.

Adding to 23321321113 its reverse (31112312332), we get a palindrome (54433633445).

The spelling of 23321321113 in words is "twenty-three billion, three hundred twenty-one million, three hundred twenty-one thousand, one hundred thirteen".