1143983326 has 16 divisors (see below), whose sum is σ = 1752711696. Its totient is φ = 559855296.

The previous prime is 1143983257. The next prime is 1143983327. The reversal of 1143983326 is 6233893411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143983327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6151 + ... + 48226.

It is an arithmetic number, because the mean of its divisors is an integer number (109544481).

Almost surely, 2^1143983326 is an apocalyptic number.

1143983326 is a deficient number, since it is larger than the sum of its proper divisors (608728370).

1143983326 is a wasteful number, since it uses less digits than its factorization.

1143983326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54603.

The product of its digits is 93312, while the sum is 40.

The square root of 1143983326 is about 33822.8225611051. The cubic root of 1143983326 is about 1045.8592251081.

The spelling of 1143983326 in words is "one billion, one hundred forty-three million, nine hundred eighty-three thousand, three hundred twenty-six".