2303263640 has 16 divisors (see below), whose sum is σ = 5182343280. Its totient is φ = 921305440.

The previous prime is 2303263639. The next prime is 2303263673. The reversal of 2303263640 is 463623032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28790756 + ... + 28790835.

It is an arithmetic number, because the mean of its divisors is an integer number (323896455).

Almost surely, 2^2303263640 is an apocalyptic number.

2303263640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2303263640 is an abundant number, since it is smaller than the sum of its proper divisors (2879079640).

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

2303263640 is a wasteful number, since it uses less digits than its factorization.

2303263640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57581602 (or 57581598 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 29.

The square root of 2303263640 is about 47992.3289703678. The cubic root of 2303263640 is about 1320.6301781330.

Adding to 2303263640 its reverse (463623032), we get a palindrome (2766886672).

The spelling of 2303263640 in words is "two billion, three hundred three million, two hundred sixty-three thousand, six hundred forty".