123022474140191 has 2 divisors, whose sum is σ = 123022474140192. Its totient is φ = 123022474140190.

The previous prime is 123022474140187. The next prime is 123022474140221. The reversal of 123022474140191 is 191041474220321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123022474140191 - 2² = 123022474140187 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123022474140091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61511237070095 + 61511237070096.

It is an arithmetic number, because the mean of its divisors is an integer number (61511237070096).

Almost surely, 2^{123022474140191} is an apocalyptic number.

123022474140191 is a deficient number, since it is larger than the sum of its proper divisors (1).

123022474140191 is an equidigital number, since it uses as much as digits as its factorization.

123022474140191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 123022474140191 in words is "one hundred twenty-three trillion, twenty-two billion, four hundred seventy-four million, one hundred forty thousand, one hundred ninety-one".