2323906440 has 32 divisors (see below), whose sum is σ = 6971719680. Its totient is φ = 619708352.

The previous prime is 2323906439. The next prime is 2323906451. The reversal of 2323906440 is 446093232.

2323906440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2323906440² = 10801082283746947200, which contains 22 as substring.

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, 9682824 + ... + 9683063.

It is an arithmetic number, because the mean of its divisors is an integer number (217866240).

Almost surely, 2^2323906440 is an apocalyptic number.

2323906440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2323906440 is an abundant number, since it is smaller than the sum of its proper divisors (4647813240).

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

2323906440 is a wasteful number, since it uses less digits than its factorization.

2323906440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19365901 (or 19365897 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 2323906440 is about 48206.9127822971. The cubic root of 2323906440 is about 1324.5637942305.

Adding to 2323906440 its reverse (446093232), we get a palindrome (2769999672).

The spelling of 2323906440 in words is "two billion, three hundred twenty-three million, nine hundred six thousand, four hundred forty".