123035291780771 has 2 divisors, whose sum is σ = 123035291780772. Its totient is φ = 123035291780770.

The previous prime is 123035291780689. The next prime is 123035291780809. The reversal of 123035291780771 is 177087192530321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123035291780771 is a prime.

It is not a weakly prime, because it can be changed into another prime (123035291740771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61517645890385 + 61517645890386.

It is an arithmetic number, because the mean of its divisors is an integer number (61517645890386).

Almost surely, 2^{123035291780771} is an apocalyptic number.

123035291780771 is a deficient number, since it is larger than the sum of its proper divisors (1).

123035291780771 is an equidigital number, since it uses as much as digits as its factorization.

123035291780771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4445280, while the sum is 56.

The spelling of 123035291780771 in words is "one hundred twenty-three trillion, thirty-five billion, two hundred ninety-one million, seven hundred eighty thousand, seven hundred seventy-one".