23431223112191 has 2 divisors, whose sum is σ = 23431223112192. Its totient is φ = 23431223112190.

The previous prime is 23431223112179. The next prime is 23431223112203. The reversal of 23431223112191 is 19121132213432.

It is a balanced prime because it is at equal distance from previous prime (23431223112179) and next prime (23431223112203).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23431223112191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23431223112131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11715611556095 + 11715611556096.

It is an arithmetic number, because the mean of its divisors is an integer number (11715611556096).

Almost surely, 2^{23431223112191} is an apocalyptic number.

23431223112191 is a deficient number, since it is larger than the sum of its proper divisors (1).

23431223112191 is an equidigital number, since it uses as much as digits as its factorization.

23431223112191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 35.

The spelling of 23431223112191 in words is "twenty-three trillion, four hundred thirty-one billion, two hundred twenty-three million, one hundred twelve thousand, one hundred ninety-one".