2323404440 has 32 divisors (see below), whose sum is σ = 5974469280. Its totient is φ = 796595712.

The previous prime is 2323404403. The next prime is 2323404451. The reversal of 2323404440 is 444043232.

It is a congruent number.

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, 4148657 + ... + 4149216.

It is an arithmetic number, because the mean of its divisors is an integer number (186702165).

Almost surely, 2^2323404440 is an apocalyptic number.

2323404440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2323404440 is an abundant number, since it is smaller than the sum of its proper divisors (3651064840).

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

2323404440 is a wasteful number, since it uses less digits than its factorization.

2323404440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8297891 (or 8297887 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 2323404440 is about 48201.7057789452. The cubic root of 2323404440 is about 1324.4684118896.

Adding to 2323404440 its reverse (444043232), we get a palindrome (2767447672).

The spelling of 2323404440 in words is "two billion, three hundred twenty-three million, four hundred four thousand, four hundred forty".