1123311232 has 32 divisors (see below), whose sum is σ = 2240938980. Its totient is φ = 560879616.

The previous prime is 1123311223. The next prime is 1123311239. The reversal of 1123311232 is 2321133211.

It can be written as a sum of positive squares in 2 ways, for example, as 966961216 + 156350016 = 31096^2 + 12504^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (1123311239) 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, 93268 + ... + 104620.

Almost surely, 2^1123311232 is an apocalyptic number.

It is an amenable number.

1123311232 is a deficient number, since it is larger than the sum of its proper divisors (1117627748).

1123311232 is an equidigital number, since it uses as much as digits as its factorization.

1123311232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12140 (or 12128 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 1123311232 is about 33515.8355408305. The cubic root of 1123311232 is about 1039.5212392038.

Adding to 1123311232 its reverse (2321133211), we get a palindrome (3444444443).

The spelling of 1123311232 in words is "one billion, one hundred twenty-three million, three hundred eleven thousand, two hundred thirty-two".