13232231233520 has 160 divisors (see below), whose sum is σ = 33665268618240. Its totient is φ = 4807200752640.

The previous prime is 13232231233433. The next prime is 13232231233553. The reversal of 13232231233520 is 2533213223231.

13232231233520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 59744585 + ... + 59965655.

It is an arithmetic number, because the mean of its divisors is an integer number (210407928864).

Almost surely, 2^{13232231233520} is an apocalyptic number.

13232231233520 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 13232231233520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16832634309120).

13232231233520 is an abundant number, since it is smaller than the sum of its proper divisors (20433037384720).

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

13232231233520 is a wasteful number, since it uses less digits than its factorization.

13232231233520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222023 (or 222017 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 32.

Adding to 13232231233520 its reverse (2533213223231), we get a palindrome (15765444456751).

The spelling of 13232231233520 in words is "thirteen trillion, two hundred thirty-two billion, two hundred thirty-one million, two hundred thirty-three thousand, five hundred twenty".