23210213057 has 2 divisors, whose sum is σ = 23210213058. Its totient is φ = 23210213056.

The previous prime is 23210213023. The next prime is 23210213111. The reversal of 23210213057 is 75031201232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23202600976 + 7612081 = 152324^2 + 2759^2 .

It is a cyclic number.

It is not a de Polignac number, because 23210213057 - 2³⁴ = 6030343873 is a prime.

It is not a weakly prime, because it can be changed into another prime (23210213657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11605106528 + 11605106529.

It is an arithmetic number, because the mean of its divisors is an integer number (11605106529).

Almost surely, 2^23210213057 is an apocalyptic number.

It is an amenable number.

23210213057 is a deficient number, since it is larger than the sum of its proper divisors (1).

23210213057 is an equidigital number, since it uses as much as digits as its factorization.

23210213057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 26.

Adding to 23210213057 its reverse (75031201232), we get a palindrome (98241414289).

The spelling of 23210213057 in words is "twenty-three billion, two hundred ten million, two hundred thirteen thousand, fifty-seven".