13103133123 has 4 divisors (see below), whose sum is σ = 17470844168. Its totient is φ = 8735422080.

The previous prime is 13103133107. The next prime is 13103133151. The reversal of 13103133123 is 32133130131.

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

It is not a de Polignac number, because 13103133123 - 2⁴ = 13103133107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13103133123.

It is not an unprimeable number, because it can be changed into a prime (13103133023) 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, 2183855518 + ... + 2183855523.

It is an arithmetic number, because the mean of its divisors is an integer number (4367711042).

Almost surely, 2^13103133123 is an apocalyptic number.

13103133123 is a deficient number, since it is larger than the sum of its proper divisors (4367711045).

13103133123 is an equidigital number, since it uses as much as digits as its factorization.

13103133123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4367711044.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 13103133123 its reverse (32133130131), we get a palindrome (45236263254).

The spelling of 13103133123 in words is "thirteen billion, one hundred three million, one hundred thirty-three thousand, one hundred twenty-three".