123301310202991 has 2 divisors, whose sum is σ = 123301310202992. Its totient is φ = 123301310202990.

The previous prime is 123301310202971. The next prime is 123301310203037. The reversal of 123301310202991 is 199202013103321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123301310202991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123301310202991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123301310202971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61650655101495 + 61650655101496.

It is an arithmetic number, because the mean of its divisors is an integer number (61650655101496).

Almost surely, 2^{123301310202991} is an apocalyptic number.

123301310202991 is a deficient number, since it is larger than the sum of its proper divisors (1).

123301310202991 is an equidigital number, since it uses as much as digits as its factorization.

123301310202991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 37.

The spelling of 123301310202991 in words is "one hundred twenty-three trillion, three hundred one billion, three hundred ten million, two hundred two thousand, nine hundred ninety-one".