201232323120 has 160 divisors (see below), whose sum is σ = 651180321792. Its totient is φ = 51310099456.

The previous prime is 201232323113. The next prime is 201232323179. The reversal of 201232323120 is 21323232102.

It is a happy 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 31 ways as a sum of consecutive naturals, for example, 21319042 + ... + 21328478.

Almost surely, 2^201232323120 is an apocalyptic number.

201232323120 is a gapful number since it is divisible by the number (20) 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 201232323120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325590160896).

201232323120 is an abundant number, since it is smaller than the sum of its proper divisors (449947998672).

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

201232323120 is a wasteful number, since it uses less digits than its factorization.

201232323120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13339 (or 13333 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 201232323120 its reverse (21323232102), we get a palindrome (222555555222).

The spelling of 201232323120 in words is "two hundred one billion, two hundred thirty-two million, three hundred twenty-three thousand, one hundred twenty".