23179097191 has 2 divisors, whose sum is σ = 23179097192. Its totient is φ = 23179097190.

The previous prime is 23179097189. The next prime is 23179097209. The reversal of 23179097191 is 19179097132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23179097191 - 2¹ = 23179097189 is a prime.

Together with 23179097189, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23179037191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11589548595 + 11589548596.

It is an arithmetic number, because the mean of its divisors is an integer number (11589548596).

Almost surely, 2^23179097191 is an apocalyptic number.

23179097191 is a deficient number, since it is larger than the sum of its proper divisors (1).

23179097191 is an equidigital number, since it uses as much as digits as its factorization.

23179097191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 214326, while the sum is 49.

The spelling of 23179097191 in words is "twenty-three billion, one hundred seventy-nine million, ninety-seven thousand, one hundred ninety-one".