1123320032 has 12 divisors (see below), whose sum is σ = 2211536376. Its totient is φ = 561660000.

The previous prime is 1123320031. The next prime is 1123320053. The reversal of 1123320032 is 2300233211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123320031) 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 as a sum of consecutive naturals, namely, 17551844 + ... + 17551907.

It is an arithmetic number, because the mean of its divisors is an integer number (184294698).

Almost surely, 2^1123320032 is an apocalyptic number.

It is an amenable number.

1123320032 is a deficient number, since it is larger than the sum of its proper divisors (1088216344).

1123320032 is an equidigital number, since it uses as much as digits as its factorization.

1123320032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35103761 (or 35103753 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1123320032 is about 33515.9668218000. The cubic root of 1123320032 is about 1039.5239537270.

Adding to 1123320032 its reverse (2300233211), we get a palindrome (3423553243).

The spelling of 1123320032 in words is "one billion, one hundred twenty-three million, three hundred twenty thousand, thirty-two".