1143230232 has 32 divisors (see below), whose sum is σ = 2859367680. Its totient is φ = 380904480.

The previous prime is 1143230201. The next prime is 1143230233. The reversal of 1143230232 is 2320323411.

It is a junction number, because it is equal to n+sod(n) for n = 1143230199 and 1143230208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143230233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50557 + ... + 69587.

It is an arithmetic number, because the mean of its divisors is an integer number (89355240).

Almost surely, 2^1143230232 is an apocalyptic number.

1143230232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1143230232 is an abundant number, since it is smaller than the sum of its proper divisors (1716137448).

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

1143230232 is a wasteful number, since it uses less digits than its factorization.

1143230232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21543 (or 21539 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1143230232 is about 33811.6878017055. The cubic root of 1143230232 is about 1045.6296753740.

Adding to 1143230232 its reverse (2320323411), we get a palindrome (3463553643).

The spelling of 1143230232 in words is "one billion, one hundred forty-three million, two hundred thirty thousand, two hundred thirty-two".