320231323200 has 168 divisors, whose sum is σ = 1051418999520. Its totient is φ = 85330534400.

The previous prime is 320231323193. The next prime is 320231323201. The reversal of 320231323200 is 2323132023.

It is not an unprimeable number, because it can be changed into a prime (320231323201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6508291 + ... + 6557309.

Almost surely, 2^320231323200 is an apocalyptic number.

320231323200 is a gapful number since it is divisible by the number (30) 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 320231323200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525709499760).

320231323200 is an abundant number, since it is smaller than the sum of its proper divisors (731187676320).

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

320231323200 is a wasteful number, since it uses less digits than its factorization.

320231323200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50405 (or 50390 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 320231323200 its reverse (2323132023), we get a palindrome (322554455223).

The spelling of 320231323200 in words is "three hundred twenty billion, two hundred thirty-one million, three hundred twenty-three thousand, two hundred".