1232331144 has 32 divisors (see below), whose sum is σ = 3360903840. Its totient is φ = 373433600.

The previous prime is 1232331103. The next prime is 1232331161. The reversal of 1232331144 is 4411332321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 7 ways as a sum of consecutive naturals, for example, 2333697 + ... + 2334224.

It is an arithmetic number, because the mean of its divisors is an integer number (105028245).

Almost surely, 2^1232331144 is an apocalyptic number.

It is an amenable number.

1232331144 is an abundant number, since it is smaller than the sum of its proper divisors (2128572696).

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

1232331144 is a wasteful number, since it uses less digits than its factorization.

1232331144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4667941 (or 4667937 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 1232331144 is about 35104.5744027755. The cubic root of 1232331144 is about 1072.1177216268.

Adding to 1232331144 its reverse (4411332321), we get a palindrome (5643663465).

The spelling of 1232331144 in words is "one billion, two hundred thirty-two million, three hundred thirty-one thousand, one hundred forty-four".