123354202214591 has 2 divisors, whose sum is σ = 123354202214592. Its totient is φ = 123354202214590.

The previous prime is 123354202214539. The next prime is 123354202214641. The reversal of 123354202214591 is 195412202453321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123354202214591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123354202214791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61677101107295 + 61677101107296.

It is an arithmetic number, because the mean of its divisors is an integer number (61677101107296).

Almost surely, 2^{123354202214591} is an apocalyptic number.

123354202214591 is a deficient number, since it is larger than the sum of its proper divisors (1).

123354202214591 is an equidigital number, since it uses as much as digits as its factorization.

123354202214591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 123354202214591 in words is "one hundred twenty-three trillion, three hundred fifty-four billion, two hundred two million, two hundred fourteen thousand, five hundred ninety-one".