13523320000 has 140 divisors (see below), whose sum is σ = 33700568616. Its totient is φ = 5382400000.

The previous prime is 13523319983. The next prime is 13523320003. The reversal of 13523320000 is 2332531.

It is a self number, because there is not a number n which added to its sum of digits gives 13523320000.

It is not an unprimeable number, because it can be changed into a prime (13523320003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9319275 + ... + 9320725.

Almost surely, 2^13523320000 is an apocalyptic number.

13523320000 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 13523320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16850284308).

13523320000 is an abundant number, since it is smaller than the sum of its proper divisors (20177248616).

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

13523320000 is an equidigital number, since it uses as much as digits as its factorization.

13523320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716 (or 1691 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

Adding to 13523320000 its reverse (2332531), we get a palindrome (13525652531).

The spelling of 13523320000 in words is "thirteen billion, five hundred twenty-three million, three hundred twenty thousand".