13323112320 has 256 divisors, whose sum is σ = 48707366400. Its totient is φ = 3034423296.

The previous prime is 13323112307. The next prime is 13323112349. The reversal of 13323112320 is 2321132331.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4124466 + ... + 4127694.

It is an arithmetic number, because the mean of its divisors is an integer number (190263150).

Almost surely, 2^13323112320 is an apocalyptic number.

13323112320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13323112320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24353683200).

13323112320 is an abundant number, since it is smaller than the sum of its proper divisors (35384254080).

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

13323112320 is a wasteful number, since it uses less digits than its factorization.

13323112320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3565 (or 3553 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13323112320 its reverse (2321132331), we get a palindrome (15644244651).

The spelling of 13323112320 in words is "thirteen billion, three hundred twenty-three million, one hundred twelve thousand, three hundred twenty".