23106431191 has 2 divisors, whose sum is σ = 23106431192. Its totient is φ = 23106431190.

The previous prime is 23106431177. The next prime is 23106431251. The reversal of 23106431191 is 19113460132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23106431191 - 2¹⁵ = 23106398423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23106431891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11553215595 + 11553215596.

It is an arithmetic number, because the mean of its divisors is an integer number (11553215596).

Almost surely, 2^23106431191 is an apocalyptic number.

23106431191 is a deficient number, since it is larger than the sum of its proper divisors (1).

23106431191 is an equidigital number, since it uses as much as digits as its factorization.

23106431191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 23106431191 in words is "twenty-three billion, one hundred six million, four hundred thirty-one thousand, one hundred ninety-one".