1143230000 has 200 divisors, whose sum is σ = 3184230720. Its totient is φ = 393120000.

The previous prime is 1143229993. The next prime is 1143230029. The reversal of 1143230000 is 323411.

It is a tau number, because it is divible by the number of its divisors (200).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2089727 + ... + 2090273.

Almost surely, 2^1143230000 is an apocalyptic number.

1143230000 is a gapful number since it is divisible by the number (10) 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 1143230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1592115360).

1143230000 is an abundant number, since it is smaller than the sum of its proper divisors (2041000720).

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

1143230000 is a wasteful number, since it uses less digits than its factorization.

1143230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1143230000 is about 33811.6843709390. The cubic root of 1143230000 is about 1045.6296046428.

Adding to 1143230000 its reverse (323411), we get a palindrome (1143553411).

The spelling of 1143230000 in words is "one billion, one hundred forty-three million, two hundred thirty thousand".