23013122191 has 2 divisors, whose sum is σ = 23013122192. Its totient is φ = 23013122190.

The previous prime is 23013122179. The next prime is 23013122201. The reversal of 23013122191 is 19122131032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23013122191 - 2¹⁹ = 23012597903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23013122131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11506561095 + 11506561096.

It is an arithmetic number, because the mean of its divisors is an integer number (11506561096).

Almost surely, 2^23013122191 is an apocalyptic number.

23013122191 is a deficient number, since it is larger than the sum of its proper divisors (1).

23013122191 is an equidigital number, since it uses as much as digits as its factorization.

23013122191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 23013122191 in words is "twenty-three billion, thirteen million, one hundred twenty-two thousand, one hundred ninety-one".