13101321123 has 24 divisors (see below), whose sum is σ = 21731062080. Its totient is φ = 7522288560.

The previous prime is 13101321073. The next prime is 13101321127. The reversal of 13101321123 is 32112310131.

13101321123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13101321123 - 2¹⁷ = 13101190051 is a prime.

It is a super-2 number, since 2×13101321123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13101321096 and 13101321105.

It is not an unprimeable number, because it can be changed into a prime (13101321127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3480661 + ... + 3484422.

It is an arithmetic number, because the mean of its divisors is an integer number (905460920).

Almost surely, 2^13101321123 is an apocalyptic number.

13101321123 is a deficient number, since it is larger than the sum of its proper divisors (8629740957).

13101321123 is a wasteful number, since it uses less digits than its factorization.

13101321123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6965119 (or 6965116 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13101321123 its reverse (32112310131), we get a palindrome (45213631254).

The spelling of 13101321123 in words is "thirteen billion, one hundred one million, three hundred twenty-one thousand, one hundred twenty-three".