123326665166513 has 8 divisors (see below), whose sum is σ = 129834812291520. Its totient is φ = 116820245042640.

The previous prime is 123326665166479. The next prime is 123326665166519. The reversal of 123326665166513 is 315661566623321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123326665166513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123326665166519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431603693 + ... + 431889338.

It is an arithmetic number, because the mean of its divisors is an integer number (16229351536440).

Almost surely, 2^{123326665166513} is an apocalyptic number.

It is an amenable number.

123326665166513 is a deficient number, since it is larger than the sum of its proper divisors (6508147125007).

123326665166513 is an equidigital number, since it uses as much as digits as its factorization.

123326665166513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863500567.

The product of its digits is 20995200, while the sum is 56.

The spelling of 123326665166513 in words is "one hundred twenty-three trillion, three hundred twenty-six billion, six hundred sixty-five million, one hundred sixty-six thousand, five hundred thirteen".