320232231100000 has 144 divisors (see below), whose sum is σ = 788049981104400. Its totient is φ = 128088192960000.

The previous prime is 320232231099973. The next prime is 320232231100003. The reversal of 320232231100000 is 1132232023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320232231100003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4297862746 + ... + 4297937254.

It is an arithmetic number, because the mean of its divisors is an integer number (5472569313225).

Almost surely, 2^{320232231100000} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320232231100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394024990552200).

320232231100000 is an abundant number, since it is smaller than the sum of its proper divisors (467817750004400).

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

320232231100000 is an frugal number, since it uses more digits than its factorization.

320232231100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117523 (or 117495 counting only the distinct ones).

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

Adding to 320232231100000 its reverse (1132232023), we get a palindrome (320233363332023).

The spelling of 320232231100000 in words is "three hundred twenty trillion, two hundred thirty-two billion, two hundred thirty-one million, one hundred thousand".