23630202881 has 2 divisors, whose sum is σ = 23630202882. Its totient is φ = 23630202880.

The previous prime is 23630202823. The next prime is 23630202887. The reversal of 23630202881 is 18820203632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22743354481 + 886848400 = 150809^2 + 29780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23630202881 is a prime.

It is a super-2 number, since 2×23630202881² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23630202887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11815101440 + 11815101441.

It is an arithmetic number, because the mean of its divisors is an integer number (11815101441).

Almost surely, 2^23630202881 is an apocalyptic number.

It is an amenable number.

23630202881 is a deficient number, since it is larger than the sum of its proper divisors (1).

23630202881 is an equidigital number, since it uses as much as digits as its factorization.

23630202881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 23630202881 in words is "twenty-three billion, six hundred thirty million, two hundred two thousand, eight hundred eighty-one".