123345401030311 has 32 divisors (see below), whose sum is σ = 131435637811200. Its totient is φ = 115507376476800.

The previous prime is 123345401030249. The next prime is 123345401030323. The reversal of 123345401030311 is 113030104543321.

It is a cyclic number.

It is not a de Polignac number, because 123345401030311 - 2¹⁹ = 123345400506023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123345401030011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231673990 + ... + 232205788.

It is an arithmetic number, because the mean of its divisors is an integer number (4107363681600).

Almost surely, 2^{123345401030311} is an apocalyptic number.

123345401030311 is a deficient number, since it is larger than the sum of its proper divisors (8090236780889).

123345401030311 is a wasteful number, since it uses less digits than its factorization.

123345401030311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532887.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 123345401030311 its reverse (113030104543321), we get a palindrome (236375505573632).

The spelling of 123345401030311 in words is "one hundred twenty-three trillion, three hundred forty-five billion, four hundred one million, thirty thousand, three hundred eleven".