1123344112 has 20 divisors (see below), whose sum is σ = 2374341336. Its totient is φ = 510610880.

The previous prime is 1123344109. The next prime is 1123344113. The reversal of 1123344112 is 2114433211.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123344113) 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, 3191143 + ... + 3191494.

Almost surely, 2^1123344112 is an apocalyptic number.

It is an amenable number.

1123344112 is an abundant number, since it is smaller than the sum of its proper divisors (1250997224).

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

1123344112 is a wasteful number, since it uses less digits than its factorization.

1123344112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6382656 (or 6382650 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 1123344112 is about 33516.3260516424. The cubic root of 1123344112 is about 1039.5313815769.

Adding to 1123344112 its reverse (2114433211), we get a palindrome (3237777323).

The spelling of 1123344112 in words is "one billion, one hundred twenty-three million, three hundred forty-four thousand, one hundred twelve".