2303400312 has 48 divisors (see below), whose sum is σ = 6605342640. Its totient is φ = 722635008.

The previous prime is 2303400301. The next prime is 2303400353. The reversal of 2303400312 is 2130043032.

2303400312 is a `hidden beast` number, since 230 + 3 + 400 + 31 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 939708 + ... + 942155.

It is an arithmetic number, because the mean of its divisors is an integer number (137611305).

Almost surely, 2^2303400312 is an apocalyptic number.

It is an amenable number.

2303400312 is an abundant number, since it is smaller than the sum of its proper divisors (4301942328).

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

2303400312 is a wasteful number, since it uses less digits than its factorization.

2303400312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881892 (or 1881885 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2303400312 is about 47993.7528434691. The cubic root of 2303400312 is about 1320.6562989809.

Adding to 2303400312 its reverse (2130043032), we get a palindrome (4433443344).

The spelling of 2303400312 in words is "two billion, three hundred three million, four hundred thousand, three hundred twelve".