2321938320 has 480 divisors, whose sum is σ = 8626590720. Its totient is φ = 513976320.

The previous prime is 2321938313. The next prime is 2321938349. The reversal of 2321938320 is 238391232.

2321938320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17724655 + ... + 17724785.

It is an arithmetic number, because the mean of its divisors is an integer number (17972064).

Almost surely, 2^2321938320 is an apocalyptic number.

2321938320 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 2321938320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4313295360).

2321938320 is an abundant number, since it is smaller than the sum of its proper divisors (6304652400).

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

2321938320 is a wasteful number, since it uses less digits than its factorization.

2321938320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 2321938320 is about 48186.4952035319. The cubic root of 2321938320 is about 1324.1897635717.

The spelling of 2321938320 in words is "two billion, three hundred twenty-one million, nine hundred thirty-eight thousand, three hundred twenty".