123231113103201 has 16 divisors (see below), whose sum is σ = 164407098979200. Its totient is φ = 82104612560640.

The previous prime is 123231113103107. The next prime is 123231113103233. The reversal of 123231113103201 is 102301311132321.

It is not a de Polignac number, because 123231113103201 - 2¹¹ = 123231113101153 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123231113103701) 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, 42567801 + ... + 45370473.

It is an arithmetic number, because the mean of its divisors is an integer number (10275443686200).

Almost surely, 2^{123231113103201} is an apocalyptic number.

It is an amenable number.

123231113103201 is a deficient number, since it is larger than the sum of its proper divisors (41175985875999).

123231113103201 is a wasteful number, since it uses less digits than its factorization.

123231113103201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811496.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 123231113103201 its reverse (102301311132321), we get a palindrome (225532424235522).

The spelling of 123231113103201 in words is "one hundred twenty-three trillion, two hundred thirty-one billion, one hundred thirteen million, one hundred three thousand, two hundred one".