23418275191 has 2 divisors, whose sum is σ = 23418275192. Its totient is φ = 23418275190.

The previous prime is 23418275159. The next prime is 23418275233. The reversal of 23418275191 is 19157281432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23418275191 - 2⁵ = 23418275159 is a prime.

It is a super-2 number, since 2×23418275191² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23418675191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11709137595 + 11709137596.

It is an arithmetic number, because the mean of its divisors is an integer number (11709137596).

Almost surely, 2^23418275191 is an apocalyptic number.

23418275191 is a deficient number, since it is larger than the sum of its proper divisors (1).

23418275191 is an equidigital number, since it uses as much as digits as its factorization.

23418275191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 43.

The spelling of 23418275191 in words is "twenty-three billion, four hundred eighteen million, two hundred seventy-five thousand, one hundred ninety-one".