2143304000 has 56 divisors (see below), whose sum is σ = 5307912168. Its totient is φ = 857318400.

The previous prime is 2143303993. The next prime is 2143304077. The reversal of 2143304000 is 4033412.

It can be written as a sum of positive squares in 4 ways, for example, as 434639104 + 1708664896 = 20848^2 + 41336^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2143304000.

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, 125957 + ... + 141956.

Almost surely, 2^2143304000 is an apocalyptic number.

2143304000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2143304000 is an abundant number, since it is smaller than the sum of its proper divisors (3164608168).

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

2143304000 is an equidigital number, since it uses as much as digits as its factorization.

2143304000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267940 (or 267920 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2143304000 is about 46295.8313458134. The cubic root of 2143304000 is about 1289.3215991088.

Adding to 2143304000 its reverse (4033412), we get a palindrome (2147337412).

The spelling of 2143304000 in words is "two billion, one hundred forty-three million, three hundred four thousand".