1143112433 has 4 divisors (see below), whose sum is σ = 1162487280. Its totient is φ = 1123737588.

The previous prime is 1143112429. The next prime is 1143112457. The reversal of 1143112433 is 3342113411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1143112433 - 2² = 1143112429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1143112399 and 1143112408.

It is not an unprimeable number, because it can be changed into a prime (1143112403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9687335 + ... + 9687452.

It is an arithmetic number, because the mean of its divisors is an integer number (290621820).

Almost surely, 2^1143112433 is an apocalyptic number.

It is an amenable number.

1143112433 is a deficient number, since it is larger than the sum of its proper divisors (19374847).

1143112433 is an equidigital number, since it uses as much as digits as its factorization.

1143112433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19374846.

The product of its digits is 864, while the sum is 23.

The square root of 1143112433 is about 33809.9457704386. The cubic root of 1143112433 is about 1045.5937600767.

Adding to 1143112433 its reverse (3342113411), we get a palindrome (4485225844).

The spelling of 1143112433 in words is "one billion, one hundred forty-three million, one hundred twelve thousand, four hundred thirty-three".