1143044323 has 4 divisors (see below), whose sum is σ = 1152044800. Its totient is φ = 1134043848.

The previous prime is 1143044311. The next prime is 1143044327. The reversal of 1143044323 is 3234403411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3234403411 = 24623 ⋅131357.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1143044323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143044327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4500048 + ... + 4500301.

It is an arithmetic number, because the mean of its divisors is an integer number (288011200).

Almost surely, 2^1143044323 is an apocalyptic number.

1143044323 is a deficient number, since it is larger than the sum of its proper divisors (9000477).

1143044323 is an equidigital number, since it uses as much as digits as its factorization.

1143044323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9000476.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1143044323 is about 33808.9385074421. The cubic root of 1143044323 is about 1045.5729931473.

Adding to 1143044323 its reverse (3234403411), we get a palindrome (4377447734).

The spelling of 1143044323 in words is "one billion, one hundred forty-three million, forty-four thousand, three hundred twenty-three".