2321332400 has 60 divisors (see below), whose sum is σ = 5601161592. Its totient is φ = 924510720.

The previous prime is 2321332393. The next prime is 2321332411. The reversal of 2321332400 is 42331232.

It is a super-2 number, since 2×2321332400² = 10777168222579520000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80747 + ... + 105653.

Almost surely, 2^2321332400 is an apocalyptic number.

2321332400 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 2321332400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2800580796).

2321332400 is an abundant number, since it is smaller than the sum of its proper divisors (3279829192).

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

2321332400 is a wasteful number, since it uses less digits than its factorization.

2321332400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25158 (or 25147 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2321332400 is about 48180.2075545550. The cubic root of 2321332400 is about 1324.0745691732.

Adding to 2321332400 its reverse (42331232), we get a palindrome (2363663632).

The spelling of 2321332400 in words is "two billion, three hundred twenty-one million, three hundred thirty-two thousand, four hundred".