123013203142045 has 16 divisors (see below), whose sum is σ = 152707226256000. Its totient is φ = 95016360011328.

The previous prime is 123013203142031. The next prime is 123013203142127. The reversal of 123013203142045 is 540241302310321.

It is a cyclic number.

It is not a de Polignac number, because 123013203142045 - 2⁵ = 123013203142013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123013203141998 and 123013203142016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15919546 + ... + 22348564.

It is an arithmetic number, because the mean of its divisors is an integer number (9544201641000).

Almost surely, 2^{123013203142045} is an apocalyptic number.

It is an amenable number.

123013203142045 is a deficient number, since it is larger than the sum of its proper divisors (29694023113955).

123013203142045 is a wasteful number, since it uses less digits than its factorization.

123013203142045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6561012.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 123013203142045 its reverse (540241302310321), we get a palindrome (663254505452366).

The spelling of 123013203142045 in words is "one hundred twenty-three trillion, thirteen billion, two hundred three million, one hundred forty-two thousand, forty-five".