123113302020191 has 24 divisors (see below), whose sum is σ = 150622527279744. Its totient is φ = 100194809682240.

The previous prime is 123113302020167. The next prime is 123113302020223. The reversal of 123113302020191 is 191020203311321.

It is not a de Polignac number, because 123113302020191 - 2³⁴ = 123096122151007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123113302020491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 764531900 + ... + 764692913.

It is an arithmetic number, because the mean of its divisors is an integer number (6275938636656).

Almost surely, 2^{123113302020191} is an apocalyptic number.

123113302020191 is a deficient number, since it is larger than the sum of its proper divisors (27509225259553).

123113302020191 is a wasteful number, since it uses less digits than its factorization.

123113302020191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529224911 (or 1529224904 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 123113302020191 in words is "one hundred twenty-three trillion, one hundred thirteen billion, three hundred two million, twenty thousand, one hundred ninety-one".