123314785154399 has 2 divisors, whose sum is σ = 123314785154400. Its totient is φ = 123314785154398.

The previous prime is 123314785154359. The next prime is 123314785154411. The reversal of 123314785154399 is 993451587413321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123314785154399 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123314785154359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61657392577199 + 61657392577200.

It is an arithmetic number, because the mean of its divisors is an integer number (61657392577200).

Almost surely, 2^{123314785154399} is an apocalyptic number.

123314785154399 is a deficient number, since it is larger than the sum of its proper divisors (1).

123314785154399 is an equidigital number, since it uses as much as digits as its factorization.

123314785154399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97977600, while the sum is 65.

The spelling of 123314785154399 in words is "one hundred twenty-three trillion, three hundred fourteen billion, seven hundred eighty-five million, one hundred fifty-four thousand, three hundred ninety-nine".