1123312232 has 32 divisors (see below), whose sum is σ = 2430480000. Its totient is φ = 476743104.

The previous prime is 1123312207. The next prime is 1123312271. The reversal of 1123312232 is 2322133211.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 91607 + ... + 103142.

It is an arithmetic number, because the mean of its divisors is an integer number (75952500).

Almost surely, 2^1123312232 is an apocalyptic number.

It is an amenable number.

1123312232 is an abundant number, since it is smaller than the sum of its proper divisors (1307167768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123312232 is a wasteful number, since it uses less digits than its factorization.

1123312232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194865 (or 194861 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 1123312232 is about 33515.8504591484. The cubic root of 1123312232 is about 1039.5215476731.

Adding to 1123312232 its reverse (2322133211), we get a palindrome (3445445443).

The spelling of 1123312232 in words is "one billion, one hundred twenty-three million, three hundred twelve thousand, two hundred thirty-two".