13223203120 has 20 divisors (see below), whose sum is σ = 30743947440. Its totient is φ = 5289281216.

The previous prime is 13223203117. The next prime is 13223203127. The reversal of 13223203120 is 2130232231.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (13223203127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82644940 + ... + 82645099.

It is an arithmetic number, because the mean of its divisors is an integer number (1537197372).

Almost surely, 2^13223203120 is an apocalyptic number.

13223203120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13223203120 is an abundant number, since it is smaller than the sum of its proper divisors (17520744320).

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

13223203120 is a wasteful number, since it uses less digits than its factorization.

13223203120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165290052 (or 165290046 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13223203120 its reverse (2130232231), we get a palindrome (15353435351).

The spelling of 13223203120 in words is "thirteen billion, two hundred twenty-three million, two hundred three thousand, one hundred twenty".