2303324640 has 96 divisors (see below), whose sum is σ = 8061651360. Its totient is φ = 614218752.

The previous prime is 2303324633. The next prime is 2303324641. The reversal of 2303324640 is 464233032.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×2303324640² = 10610608794462259200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303324641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262269 + ... + 270908.

It is an arithmetic number, because the mean of its divisors is an integer number (83975535).

Almost surely, 2^2303324640 is an apocalyptic number.

2303324640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2303324640 is an abundant number, since it is smaller than the sum of its proper divisors (5758326720).

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

2303324640 is a wasteful number, since it uses less digits than its factorization.

2303324640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533201 (or 533187 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The square root of 2303324640 is about 47992.9644843908. The cubic root of 2303324640 is about 1320.6418366232.

Adding to 2303324640 its reverse (464233032), we get a palindrome (2767557672).

The spelling of 2303324640 in words is "two billion, three hundred three million, three hundred twenty-four thousand, six hundred forty".