123013186364863 has 2 divisors, whose sum is σ = 123013186364864. Its totient is φ = 123013186364862.

The previous prime is 123013186364797. The next prime is 123013186364899. The reversal of 123013186364863 is 368463681310321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123013186364863 is a prime.

It is a super-2 number, since 2×123013186364863² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123013186365863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61506593182431 + 61506593182432.

It is an arithmetic number, because the mean of its divisors is an integer number (61506593182432).

Almost surely, 2^{123013186364863} is an apocalyptic number.

123013186364863 is a deficient number, since it is larger than the sum of its proper divisors (1).

123013186364863 is an equidigital number, since it uses as much as digits as its factorization.

123013186364863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8957952, while the sum is 55.

The spelling of 123013186364863 in words is "one hundred twenty-three trillion, thirteen billion, one hundred eighty-six million, three hundred sixty-four thousand, eight hundred sixty-three".