1115433223 has 4 divisors (see below), whose sum is σ = 1181046960. Its totient is φ = 1049819488.

The previous prime is 1115433203. The next prime is 1115433239. The reversal of 1115433223 is 3223345111.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1115433223 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 (1115433203) 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, 32806843 + ... + 32806876.

It is an arithmetic number, because the mean of its divisors is an integer number (295261740).

Almost surely, 2^1115433223 is an apocalyptic number.

1115433223 is a deficient number, since it is larger than the sum of its proper divisors (65613737).

1115433223 is an equidigital number, since it uses as much as digits as its factorization.

1115433223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65613736.

The product of its digits is 2160, while the sum is 25.

The square root of 1115433223 is about 33398.1020867953. The cubic root of 1115433223 is about 1037.0854117065.

Adding to 1115433223 its reverse (3223345111), we get a palindrome (4338778334).

The spelling of 1115433223 in words is "one billion, one hundred fifteen million, four hundred thirty-three thousand, two hundred twenty-three".