2143244300 has 18 divisors (see below), whose sum is σ = 4650840348. Its totient is φ = 857297680.

The previous prime is 2143244297. The next prime is 2143244317. The reversal of 2143244300 is 34423412.

It is a super-2 number, since 2×2143244300² = 9186992258964980000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10716122 + ... + 10716321.

Almost surely, 2^2143244300 is an apocalyptic number.

2143244300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2143244300 is an abundant number, since it is smaller than the sum of its proper divisors (2507596048).

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

2143244300 is a wasteful number, since it uses less digits than its factorization.

2143244300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21432457 (or 21432450 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2143244300 is about 46295.1865748481. The cubic root of 2143244300 is about 1289.3096279941.

Adding to 2143244300 its reverse (34423412), we get a palindrome (2177667712).

The spelling of 2143244300 in words is "two billion, one hundred forty-three million, two hundred forty-four thousand, three hundred".