23630341187 has 2 divisors, whose sum is σ = 23630341188. Its totient is φ = 23630341186.

The previous prime is 23630341181. The next prime is 23630341213. The reversal of 23630341187 is 78114303632.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23630341187 - 2¹² = 23630337091 is a prime.

It is a super-2 number, since 2×23630341187² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23630341187.

It is not a weakly prime, because it can be changed into another prime (23630341181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11815170593 + 11815170594.

It is an arithmetic number, because the mean of its divisors is an integer number (11815170594).

Almost surely, 2^23630341187 is an apocalyptic number.

23630341187 is a deficient number, since it is larger than the sum of its proper divisors (1).

23630341187 is an equidigital number, since it uses as much as digits as its factorization.

23630341187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 23630341187 in words is "twenty-three billion, six hundred thirty million, three hundred forty-one thousand, one hundred eighty-seven".