13323145121 has 32 divisors (see below), whose sum is σ = 15957648000. Its totient is φ = 10963169280.

The previous prime is 13323145109. The next prime is 13323145127. The reversal of 13323145121 is 12154132331.

13323145121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13323145121 - 2⁶ = 13323145057 is a prime.

It is a super-2 number, since 2×13323145121² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13323145127) 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 31 ways as a sum of consecutive naturals, for example, 3786455 + ... + 3789971.

It is an arithmetic number, because the mean of its divisors is an integer number (498676500).

Almost surely, 2^13323145121 is an apocalyptic number.

13323145121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13323145121 is a deficient number, since it is larger than the sum of its proper divisors (2634502879).

13323145121 is a wasteful number, since it uses less digits than its factorization.

13323145121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4049.

The product of its digits is 2160, while the sum is 26.

Adding to 13323145121 its reverse (12154132331), we get a palindrome (25477277452).

The spelling of 13323145121 in words is "thirteen billion, three hundred twenty-three million, one hundred forty-five thousand, one hundred twenty-one".