1232321312 has 24 divisors (see below), whose sum is σ = 2427014016. Its totient is φ = 615936832.

The previous prime is 1232321303. The next prime is 1232321317. The reversal of 1232321312 is 2131232321.

It is not an unprimeable number, because it can be changed into a prime (1232321317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115433 + ... + 125655.

It is an arithmetic number, because the mean of its divisors is an integer number (101125584).

Almost surely, 2^1232321312 is an apocalyptic number.

It is an amenable number.

1232321312 is a deficient number, since it is larger than the sum of its proper divisors (1194692704).

1232321312 is a wasteful number, since it uses less digits than its factorization.

1232321312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14000 (or 13992 counting only the distinct ones).

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

The square root of 1232321312 is about 35104.4343637666. The cubic root of 1232321312 is about 1072.1148703668.

Adding to 1232321312 its reverse (2131232321), we get a palindrome (3363553633).

The spelling of 1232321312 in words is "one billion, two hundred thirty-two million, three hundred twenty-one thousand, three hundred twelve".