123303011311311 has 32 divisors (see below), whose sum is σ = 177593803699200. Its totient is φ = 75646010450304.

The previous prime is 123303011311261. The next prime is 123303011311357. The reversal of 123303011311311 is 113113110303321.

It is not a de Polignac number, because 123303011311311 - 2¹⁴ = 123303011294927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123303011311391) 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, 66362820 + ... + 68195526.

It is an arithmetic number, because the mean of its divisors is an integer number (5549806365600).

Almost surely, 2^{123303011311311} is an apocalyptic number.

123303011311311 is a deficient number, since it is larger than the sum of its proper divisors (54290792387889).

123303011311311 is a wasteful number, since it uses less digits than its factorization.

123303011311311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838015.

The product of its (nonzero) digits is 486, while the sum is 24.

Adding to 123303011311311 its reverse (113113110303321), we get a palindrome (236416121614632).

The spelling of 123303011311311 in words is "one hundred twenty-three trillion, three hundred three billion, eleven million, three hundred eleven thousand, three hundred eleven".