1143230384 has 20 divisors (see below), whose sum is σ = 2215826184. Its totient is φ = 571404288.

The previous prime is 1143230383. The next prime is 1143230441. The reversal of 1143230384 is 4830323411.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1143230383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37424 + ... + 60720.

Almost surely, 2^1143230384 is an apocalyptic number.

It is an amenable number.

1143230384 is a deficient number, since it is larger than the sum of its proper divisors (1072595800).

1143230384 is a wasteful number, since it uses less digits than its factorization.

1143230384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26372 (or 26366 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1143230384 is about 33811.6900494489. The cubic root of 1143230384 is about 1045.6297217151.

Adding to 1143230384 its reverse (4830323411), we get a palindrome (5973553795).

The spelling of 1143230384 in words is "one billion, one hundred forty-three million, two hundred thirty thousand, three hundred eighty-four".