123123111321313 has 8 divisors (see below), whose sum is σ = 123213249709056. Its totient is φ = 123033004105200.

The previous prime is 123123111321311. The next prime is 123123111321389. The reversal of 123123111321313 is 313123111321321.

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

It is a cyclic number.

It is not a de Polignac number, because 123123111321313 - 2¹ = 123123111321311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123123111321311) 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, 112608 + ... + 15692638.

It is an arithmetic number, because the mean of its divisors is an integer number (15401656213632).

Almost surely, 2^{123123111321313} is an apocalyptic number.

It is an amenable number.

123123111321313 is a deficient number, since it is larger than the sum of its proper divisors (90138387743).

123123111321313 is a wasteful number, since it uses less digits than its factorization.

123123111321313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15585815.

The product of its digits is 1944, while the sum is 28.

Adding to 123123111321313 its reverse (313123111321321), we get a palindrome (436246222642634).

The spelling of 123123111321313 in words is "one hundred twenty-three trillion, one hundred twenty-three billion, one hundred eleven million, three hundred twenty-one thousand, three hundred thirteen".