1133423959 has 4 divisors (see below), whose sum is σ = 1139296816. Its totient is φ = 1127551104.

The previous prime is 1133423957. The next prime is 1133423999. The reversal of 1133423959 is 9593243311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1133423959 - 2¹ = 1133423957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133423957) 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 3 ways as a sum of consecutive naturals, for example, 2936139 + ... + 2936524.

It is an arithmetic number, because the mean of its divisors is an integer number (284824204).

Almost surely, 2^1133423959 is an apocalyptic number.

1133423959 is a deficient number, since it is larger than the sum of its proper divisors (5872857).

1133423959 is an equidigital number, since it uses as much as digits as its factorization.

1133423959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5872856.

The product of its digits is 87480, while the sum is 40.

The square root of 1133423959 is about 33666.3624260181. The cubic root of 1133423959 is about 1042.6313909083.

The spelling of 1133423959 in words is "one billion, one hundred thirty-three million, four hundred twenty-three thousand, nine hundred fifty-nine".