23113210213 has 2 divisors, whose sum is σ = 23113210214. Its totient is φ = 23113210212.

The previous prime is 23113210157. The next prime is 23113210247. The reversal of 23113210213 is 31201231132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20961827524 + 2151382689 = 144782^2 + 46383^2 .

It is a cyclic number.

It is not a de Polignac number, because 23113210213 - 2⁹ = 23113209701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23113210273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11556605106 + 11556605107.

It is an arithmetic number, because the mean of its divisors is an integer number (11556605107).

Almost surely, 2^23113210213 is an apocalyptic number.

It is an amenable number.

23113210213 is a deficient number, since it is larger than the sum of its proper divisors (1).

23113210213 is an equidigital number, since it uses as much as digits as its factorization.

23113210213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23113210213 its reverse (31201231132), we get a palindrome (54314441345).

The spelling of 23113210213 in words is "twenty-three billion, one hundred thirteen million, two hundred ten thousand, two hundred thirteen".