13112321120323 has 4 divisors (see below), whose sum is σ = 13112352543960. Its totient is φ = 13112289696688.

The previous prime is 13112321120281. The next prime is 13112321120383. The reversal of 13112321120323 is 32302112321131.

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 13112321120323 - 2⁴¹ = 10913297864771 is a prime.

It is a super-2 number, since 2×13112321120323² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13112321120383) 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, 15077365 + ... + 15923302.

It is an arithmetic number, because the mean of its divisors is an integer number (3278088135990).

Almost surely, 2^{13112321120323} is an apocalyptic number.

13112321120323 is a deficient number, since it is larger than the sum of its proper divisors (31423637).

13112321120323 is an equidigital number, since it uses as much as digits as its factorization.

13112321120323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31423636.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 13112321120323 its reverse (32302112321131), we get a palindrome (45414433441454).

The spelling of 13112321120323 in words is "thirteen trillion, one hundred twelve billion, three hundred twenty-one million, one hundred twenty thousand, three hundred twenty-three".