123086945697813 has 24 divisors (see below), whose sum is σ = 185692323055200. Its totient is φ = 78486957573984.

The previous prime is 123086945697809. The next prime is 123086945697839. The reversal of 123086945697813 is 318796549680321.

123086945697813 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 8 + 6 + 9 + 456 + 97 + 81 + 3 = 666.

123086945697813 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 123086945697813 - 2² = 123086945697809 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123086945697883) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3132441943 + ... + 3132481236.

It is an arithmetic number, because the mean of its divisors is an integer number (7737180127300).

It is a 1-persistent number, because it is pandigital, but 2⋅123086945697813 = 246173891395626 is not.

Almost surely, 2^{123086945697813} is an apocalyptic number.

It is an amenable number.

123086945697813 is a deficient number, since it is larger than the sum of its proper divisors (62605377357387).

123086945697813 is a wasteful number, since it uses less digits than its factorization.

123086945697813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6264923281 (or 6264923278 counting only the distinct ones).

The product of its (nonzero) digits is 470292480, while the sum is 72.

The spelling of 123086945697813 in words is "one hundred twenty-three trillion, eighty-six billion, nine hundred forty-five million, six hundred ninety-seven thousand, eight hundred thirteen".