1143133323 has 16 divisors (see below), whose sum is σ = 1542360960. Its totient is φ = 753034176.

The previous prime is 1143133289. The next prime is 1143133331. The reversal of 1143133323 is 3233313411.

It is a happy number.

It is not a de Polignac number, because 1143133323 - 2¹⁰ = 1143132299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1143133293 and 1143133302.

It is not an unprimeable number, because it can be changed into a prime (1143133333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126936 + ... + 135642.

It is an arithmetic number, because the mean of its divisors is an integer number (96397560).

Almost surely, 2^1143133323 is an apocalyptic number.

1143133323 is a deficient number, since it is larger than the sum of its proper divisors (399227637).

1143133323 is a wasteful number, since it uses less digits than its factorization.

1143133323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9226.

The product of its digits is 1944, while the sum is 24.

The square root of 1143133323 is about 33810.2547017913. The cubic root of 1143133323 is about 1045.6001293308.

Adding to 1143133323 its reverse (3233313411), we get a palindrome (4376446734).

The spelling of 1143133323 in words is "one billion, one hundred forty-three million, one hundred thirty-three thousand, three hundred twenty-three".