13323112232320 has 128 divisors (see below), whose sum is σ = 36574812057600. Its totient is φ = 4589780244480.

The previous prime is 13323112232303. The next prime is 13323112232327. The reversal of 13323112232320 is 2323221132331.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13323112232327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49668544 + ... + 49936063.

It is an arithmetic number, because the mean of its divisors is an integer number (285740719200).

Almost surely, 2^{13323112232320} is an apocalyptic number.

13323112232320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13323112232320 is an abundant number, since it is smaller than the sum of its proper divisors (23251699825280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13323112232320 is a wasteful number, since it uses less digits than its factorization.

13323112232320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99604656 (or 99604644 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 13323112232320 its reverse (2323221132331), we get a palindrome (15646333364651).

The spelling of 13323112232320 in words is "thirteen trillion, three hundred twenty-three billion, one hundred twelve million, two hundred thirty-two thousand, three hundred twenty".