23186996227 has 2 divisors, whose sum is σ = 23186996228. Its totient is φ = 23186996226.

The previous prime is 23186996219. The next prime is 23186996291. The reversal of 23186996227 is 72269968132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23186996227 - 2³ = 23186996219 is a prime.

It is not a weakly prime, because it can be changed into another prime (23186996207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11593498113 + 11593498114.

It is an arithmetic number, because the mean of its divisors is an integer number (11593498114).

Almost surely, 2^23186996227 is an apocalyptic number.

23186996227 is a deficient number, since it is larger than the sum of its proper divisors (1).

23186996227 is an equidigital number, since it uses as much as digits as its factorization.

23186996227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 55.

The spelling of 23186996227 in words is "twenty-three billion, one hundred eighty-six million, nine hundred ninety-six thousand, two hundred twenty-seven".