1232231112 has 96 divisors (see below), whose sum is σ = 3945614400. Its totient is φ = 339921792.

The previous prime is 1232231071. The next prime is 1232231123. The reversal of 1232231112 is 2111322321.

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.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27538 + ... + 56769.

It is an arithmetic number, because the mean of its divisors is an integer number (41100150).

Almost surely, 2^1232231112 is an apocalyptic number.

1232231112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1232231112 is an abundant number, since it is smaller than the sum of its proper divisors (2713383288).

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

1232231112 is a wasteful number, since it uses less digits than its factorization.

1232231112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84355 (or 84348 counting only the distinct ones).

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

The square root of 1232231112 is about 35103.1496022793. The cubic root of 1232231112 is about 1072.0887118425.

Adding to 1232231112 its reverse (2111322321), we get a palindrome (3343553433).

It can be divided in two parts, 12322 and 31112, that added together give a palindrome (43434).

The spelling of 1232231112 in words is "one billion, two hundred thirty-two million, two hundred thirty-one thousand, one hundred twelve".