123371776751317 has 4 divisors (see below), whose sum is σ = 124128658817440. Its totient is φ = 122614894685196.

The previous prime is 123371776751173. The next prime is 123371776751323. The reversal of 123371776751317 is 713157677173321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123371776751317 - 2¹⁵ = 123371776718549 is a prime.

It is a super-3 number, since 3×123371776751317³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123371776751417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378441032817 + ... + 378441033142.

It is an arithmetic number, because the mean of its divisors is an integer number (31032164704360).

Almost surely, 2^{123371776751317} is an apocalyptic number.

It is an amenable number.

123371776751317 is a deficient number, since it is larger than the sum of its proper divisors (756882066123).

123371776751317 is an equidigital number, since it uses as much as digits as its factorization.

123371776751317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756882066122.

The product of its digits is 27227340, while the sum is 61.

The spelling of 123371776751317 in words is "one hundred twenty-three trillion, three hundred seventy-one billion, seven hundred seventy-six million, seven hundred fifty-one thousand, three hundred seventeen".