23210313013 has 2 divisors, whose sum is σ = 23210313014. Its totient is φ = 23210313012.

The previous prime is 23210312947. The next prime is 23210313017. The reversal of 23210313013 is 31031301232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15950932209 + 7259380804 = 126297^2 + 85202^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23210313013 is a prime.

It is a super-2 number, since 2×23210313013² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23210313017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11605156506 + 11605156507.

It is an arithmetic number, because the mean of its divisors is an integer number (11605156507).

Almost surely, 2^23210313013 is an apocalyptic number.

It is an amenable number.

23210313013 is a deficient number, since it is larger than the sum of its proper divisors (1).

23210313013 is an equidigital number, since it uses as much as digits as its factorization.

23210313013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 23210313013 its reverse (31031301232), we get a palindrome (54241614245).

The spelling of 23210313013 in words is "twenty-three billion, two hundred ten million, three hundred thirteen thousand, thirteen".