2321568900 has 432 divisors, whose sum is σ = 8758189440. Its totient is φ = 503193600.

The previous prime is 2321568881. The next prime is 2321568913. The reversal of 2321568900 is 98651232.

2321568900 is a `hidden beast` number, since 2 + 3 + 2 + 1 + 568 + 90 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 17721835 + ... + 17721965.

Almost surely, 2^2321568900 is an apocalyptic number.

2321568900 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 2321568900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4379094720).

2321568900 is an abundant number, since it is smaller than the sum of its proper divisors (6436620540).

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

2321568900 is a wasteful number, since it uses less digits than its factorization.

2321568900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2321568900 is about 48182.6618193723. The cubic root of 2321568900 is about 1324.1195337234.

The spelling of 2321568900 in words is "two billion, three hundred twenty-one million, five hundred sixty-eight thousand, nine hundred".