13201103123 has 4 divisors (see below), whose sum is σ = 14216572608. Its totient is φ = 12185633640.

The previous prime is 13201103039. The next prime is 13201103131. The reversal of 13201103123 is 32130110231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13201103123 - 2²⁴ = 13184325907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13201103183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 507734723 + ... + 507734748.

It is an arithmetic number, because the mean of its divisors is an integer number (3554143152).

Almost surely, 2^13201103123 is an apocalyptic number.

13201103123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13201103123 is a deficient number, since it is larger than the sum of its proper divisors (1015469485).

13201103123 is a wasteful number, since it uses less digits than its factorization.

13201103123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015469484.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13201103123 its reverse (32130110231), we get a palindrome (45331213354).

The spelling of 13201103123 in words is "thirteen billion, two hundred one million, one hundred three thousand, one hundred twenty-three".