123492217684775 has 6 divisors (see below), whose sum is σ = 153130349929152. Its totient is φ = 98793774147800.

The previous prime is 123492217684727. The next prime is 123492217684859. The reversal of 123492217684775 is 577486712294321.

It is not a de Polignac number, because 123492217684775 - 2³⁶ = 123423498208039 is a prime.

It is a super-2 number, since 2×123492217684775² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2469844353671 + ... + 2469844353720.

It is an arithmetic number, because the mean of its divisors is an integer number (25521724988192).

Almost surely, 2^{123492217684775} is an apocalyptic number.

123492217684775 is a deficient number, since it is larger than the sum of its proper divisors (29638132244377).

123492217684775 is an equidigital number, since it uses as much as digits as its factorization.

123492217684775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4939688707401 (or 4939688707396 counting only the distinct ones).

The product of its digits is 284497920, while the sum is 68.

The spelling of 123492217684775 in words is "one hundred twenty-three trillion, four hundred ninety-two billion, two hundred seventeen million, six hundred eighty-four thousand, seven hundred seventy-five".