1143243368 has 16 divisors (see below), whose sum is σ = 2143942080. Its totient is φ = 571525488.

The previous prime is 1143243347. The next prime is 1143243373. The reversal of 1143243368 is 8633423411.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79121 + ... + 92447.

It is an arithmetic number, because the mean of its divisors is an integer number (133996380).

Almost surely, 2^1143243368 is an apocalyptic number.

It is an amenable number.

1143243368 is a deficient number, since it is larger than the sum of its proper divisors (1000698712).

1143243368 is a wasteful number, since it uses less digits than its factorization.

1143243368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24056 (or 24052 counting only the distinct ones).

The product of its digits is 41472, while the sum is 35.

The square root of 1143243368 is about 33811.8820535030. The cubic root of 1143243368 is about 1045.6336802071.

Adding to 1143243368 its reverse (8633423411), we get a palindrome (9776666779).

The spelling of 1143243368 in words is "one billion, one hundred forty-three million, two hundred forty-three thousand, three hundred sixty-eight".