1143324233 has 4 divisors (see below), whose sum is σ = 1150997700. Its totient is φ = 1135650768.

The previous prime is 1143324223. The next prime is 1143324311. The reversal of 1143324233 is 3324233411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3324233411 = 13577 ⋅244843.

It can be written as a sum of positive squares in 2 ways, for example, as 306495049 + 836829184 = 17507^2 + 28928^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143324233 - 2¹⁴ = 1143307849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143324223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3836510 + ... + 3836807.

It is an arithmetic number, because the mean of its divisors is an integer number (287749425).

Almost surely, 2^1143324233 is an apocalyptic number.

It is an amenable number.

1143324233 is a deficient number, since it is larger than the sum of its proper divisors (7673467).

1143324233 is an equidigital number, since it uses as much as digits as its factorization.

1143324233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7673466.

The product of its digits is 5184, while the sum is 26.

The square root of 1143324233 is about 33813.0778397945. The cubic root of 1143324233 is about 1045.6583332181.

Adding to 1143324233 its reverse (3324233411), we get a palindrome (4467557644).

The spelling of 1143324233 in words is "one billion, one hundred forty-three million, three hundred twenty-four thousand, two hundred thirty-three".