2321343720 has 96 divisors (see below), whose sum is σ = 7550730720. Its totient is φ = 618503040.

The previous prime is 2321343709. The next prime is 2321343721. The reversal of 2321343720 is 273431232.

It is not an unprimeable number, because it can be changed into a prime (2321343721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 627075 + ... + 630765.

It is an arithmetic number, because the mean of its divisors is an integer number (78653445).

Almost surely, 2^2321343720 is an apocalyptic number.

2321343720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321343720 is an abundant number, since it is smaller than the sum of its proper divisors (5229387000).

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

2321343720 is a wasteful number, since it uses less digits than its factorization.

2321343720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5455 (or 5448 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 2321343720 is about 48180.3250300369. The cubic root of 2321343720 is about 1324.0767214572.

Adding to 2321343720 its reverse (273431232), we get a palindrome (2594774952).

The spelling of 2321343720 in words is "two billion, three hundred twenty-one million, three hundred forty-three thousand, seven hundred twenty".