2143300000 has 72 divisors (see below), whose sum is σ = 5274435852. Its totient is φ = 857280000.

The previous prime is 2143299989. The next prime is 2143300009. The reversal of 2143300000 is 33412.

It can be written as a sum of positive squares in 6 ways, for example, as 697171216 + 1446128784 = 26404^2 + 38028^2 .

It is not an unprimeable number, because it can be changed into a prime (2143300009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89284 + ... + 110716.

Almost surely, 2^2143300000 is an apocalyptic number.

2143300000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2143300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2637217926).

2143300000 is an abundant number, since it is smaller than the sum of its proper divisors (3131135852).

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

2143300000 is an frugal number, since it uses more digits than its factorization.

2143300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21468 (or 21440 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2143300000 is about 46295.7881453594. The cubic root of 2143300000 is about 1289.3207970310.

Adding to 2143300000 its reverse (33412), we get a palindrome (2143333412).

The spelling of 2143300000 in words is "two billion, one hundred forty-three million, three hundred thousand".