13220103123 has 8 divisors (see below), whose sum is σ = 19585338000. Its totient is φ = 8813402064.

The previous prime is 13220103107. The next prime is 13220103161. The reversal of 13220103123 is 32130102231.

It is not a de Polignac number, because 13220103123 - 2⁴ = 13220103107 is a prime.

It is a super-2 number, since 2×13220103123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13220103096 and 13220103105.

It is not an unprimeable number, because it can be changed into a prime (13220103103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244816698 + ... + 244816751.

It is an arithmetic number, because the mean of its divisors is an integer number (2448167250).

Almost surely, 2^13220103123 is an apocalyptic number.

13220103123 is a deficient number, since it is larger than the sum of its proper divisors (6365234877).

13220103123 is an equidigital number, since it uses as much as digits as its factorization.

13220103123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489633458 (or 489633452 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13220103123 its reverse (32130102231), we get a palindrome (45350205354).

The spelling of 13220103123 in words is "thirteen billion, two hundred twenty million, one hundred three thousand, one hundred twenty-three".