2321405344 has 24 divisors (see below), whose sum is σ = 4596695460. Its totient is φ = 1153990656.

The previous prime is 2321405309. The next prime is 2321405357. The reversal of 2321405344 is 4435041232.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2309763600 + 11641744 = 48060^2 + 3412^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204129 + ... + 215200.

Almost surely, 2^2321405344 is an apocalyptic number.

It is an amenable number.

2321405344 is a deficient number, since it is larger than the sum of its proper divisors (2275290116).

2321405344 is a wasteful number, since it uses less digits than its factorization.

2321405344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419512 (or 419504 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 2321405344 is about 48180.9645399508. The cubic root of 2321405344 is about 1324.0884379731.

Adding to 2321405344 its reverse (4435041232), we get a palindrome (6756446576).

The spelling of 2321405344 in words is "two billion, three hundred twenty-one million, four hundred five thousand, three hundred forty-four".