2303304320 has 64 divisors (see below), whose sum is σ = 5512314600. Its totient is φ = 920322048.

The previous prime is 2303304287. The next prime is 2303304343. The reversal of 2303304320 is 234033032.

It can be written as a sum of positive squares in 4 ways, for example, as 2096174656 + 207129664 = 45784^2 + 14392^2 .

It is a tau number, because it is divible by the number of its divisors (64).

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 = 2303304292 and 2303304301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 951752 + ... + 954168.

Almost surely, 2^2303304320 is an apocalyptic number.

2303304320 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 2303304320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2756157300).

2303304320 is an abundant number, since it is smaller than the sum of its proper divisors (3209010280).

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

2303304320 is a wasteful number, since it uses less digits than its factorization.

2303304320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3925 (or 3913 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

The square root of 2303304320 is about 47992.7527862280. The cubic root of 2303304320 is about 1320.6379530310.

Adding to 2303304320 its reverse (234033032), we get a palindrome (2537337352).

The spelling of 2303304320 in words is "two billion, three hundred three million, three hundred four thousand, three hundred twenty".