2321430320 has 160 divisors (see below), whose sum is σ = 6127107840. Its totient is φ = 810501120.

The previous prime is 2321430311. The next prime is 2321430341. The reversal of 2321430320 is 230341232.

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

It is a junction number, because it is equal to n+sod(n) for n = 2321430292 and 2321430301.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2702051 + ... + 2702909.

It is an arithmetic number, because the mean of its divisors is an integer number (38294424).

Almost surely, 2^2321430320 is an apocalyptic number.

2321430320 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 2321430320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3063553920).

2321430320 is an abundant number, since it is smaller than the sum of its proper divisors (3805677520).

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

2321430320 is a wasteful number, since it uses less digits than its factorization.

2321430320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003 (or 997 counting only the distinct ones).

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

The square root of 2321430320 is about 48181.2237287514. The cubic root of 2321430320 is about 1324.0931865786.

Adding to 2321430320 its reverse (230341232), we get a palindrome (2551771552).

The spelling of 2321430320 in words is "two billion, three hundred twenty-one million, four hundred thirty thousand, three hundred twenty".