1223323312 has 40 divisors (see below), whose sum is σ = 2400261552. Its totient is φ = 603936000.

The previous prime is 1223323307. The next prime is 1223323331. The reversal of 1223323312 is 2133233221.

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, 753862 + ... + 755482.

Almost surely, 2^1223323312 is an apocalyptic number.

It is an amenable number.

1223323312 is a deficient number, since it is larger than the sum of its proper divisors (1176938240).

1223323312 is a wasteful number, since it uses less digits than its factorization.

1223323312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2197 (or 2191 counting only the distinct ones).

The product of its digits is 1296, while the sum is 22.

The square root of 1223323312 is about 34976.0391125124. The cubic root of 1223323312 is about 1069.4990848357.

Adding to 1223323312 its reverse (2133233221), we get a palindrome (3356556533).

Subtracting 1223323312 from its reverse (2133233221), we obtain a palindrome (909909909).

The spelling of 1223323312 in words is "one billion, two hundred twenty-three million, three hundred twenty-three thousand, three hundred twelve".