123013321110103 has 16 divisors (see below), whose sum is σ = 134463169511424. Its totient is φ = 112032345962880.

The previous prime is 123013321110067. The next prime is 123013321110107. The reversal of 123013321110103 is 301011123310321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123013321110103 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 (123013321110107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4743175 + ... + 16386712.

It is an arithmetic number, because the mean of its divisors is an integer number (8403948094464).

Almost surely, 2^{123013321110103} is an apocalyptic number.

123013321110103 is a deficient number, since it is larger than the sum of its proper divisors (11449848401321).

123013321110103 is a wasteful number, since it uses less digits than its factorization.

123013321110103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21140982.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 123013321110103 its reverse (301011123310321), we get a palindrome (424024444420424).

The spelling of 123013321110103 in words is "one hundred twenty-three trillion, thirteen billion, three hundred twenty-one million, one hundred ten thousand, one hundred three".