13110203123 has 4 divisors (see below), whose sum is σ = 13881391560. Its totient is φ = 12339014688.

The previous prime is 13110203111. The next prime is 13110203131. The reversal of 13110203123 is 32130201131.

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 13110203123 - 2⁴ = 13110203107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 771188419 = 13110203123 / (1 + 3 + 1 + 1 + 0 + 2 + 0 + 3 + 1 + 2 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13110203723) 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, 385594193 + ... + 385594226.

It is an arithmetic number, because the mean of its divisors is an integer number (3470347890).

Almost surely, 2^13110203123 is an apocalyptic number.

13110203123 is a deficient number, since it is larger than the sum of its proper divisors (771188437).

13110203123 is an equidigital number, since it uses as much as digits as its factorization.

13110203123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771188436.

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

Adding to 13110203123 its reverse (32130201131), we get a palindrome (45240404254).

The spelling of 13110203123 in words is "thirteen billion, one hundred ten million, two hundred three thousand, one hundred twenty-three".