13143232320 has 112 divisors (see below), whose sum is σ = 41804587968. Its totient is φ = 3498577920.

The previous prime is 13143232307. The next prime is 13143232331. The reversal of 13143232320 is 2323234131.

13143232320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 536172 + ... + 560148.

Almost surely, 2^13143232320 is an apocalyptic number.

13143232320 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 13143232320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20902293984).

13143232320 is an abundant number, since it is smaller than the sum of its proper divisors (28661355648).

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

13143232320 is a wasteful number, since it uses less digits than its factorization.

13143232320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24568 (or 24558 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 13143232320 its reverse (2323234131), we get a palindrome (15466466451).

The spelling of 13143232320 in words is "thirteen billion, one hundred forty-three million, two hundred thirty-two thousand, three hundred twenty".