1123232112 has 60 divisors (see below), whose sum is σ = 3183313120. Its totient is φ = 369667584.

The previous prime is 1123232107. The next prime is 1123232129. The reversal of 1123232112 is 2112323211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37993 + ... + 60744.

Almost surely, 2^1123232112 is an apocalyptic number.

1123232112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1123232112 is an abundant number, since it is smaller than the sum of its proper divisors (2060081008).

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

1123232112 is a wasteful number, since it uses less digits than its factorization.

1123232112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98830 (or 98821 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1123232112 is about 33514.6551824720. The cubic root of 1123232112 is about 1039.4968325362.

Adding to 1123232112 its reverse (2112323211), we get a palindrome (3235555323).

It can be divided in two parts, 112323211 and 2, that multiplied together give a palindrome (224646422).

The spelling of 1123232112 in words is "one billion, one hundred twenty-three million, two hundred thirty-two thousand, one hundred twelve".