1323223312 has 20 divisors (see below), whose sum is σ = 2566091340. Its totient is φ = 661006208.

The previous prime is 1323223283. The next prime is 1323223399. The reversal of 1323223312 is 2133223231.

It can be written as a sum of positive squares in 2 ways, for example, as 377291776 + 945931536 = 19424^2 + 30756^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19543 + ... + 55030.

It is an arithmetic number, because the mean of its divisors is an integer number (128304567).

Almost surely, 2^1323223312 is an apocalyptic number.

It is an amenable number.

1323223312 is a deficient number, since it is larger than the sum of its proper divisors (1242868028).

1323223312 is a wasteful number, since it uses less digits than its factorization.

1323223312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75690 (or 75684 counting only the distinct ones).

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

The square root of 1323223312 is about 36376.1365733086. The cubic root of 1323223312 is about 1097.8534757358.

Adding to 1323223312 its reverse (2133223231), we get a palindrome (3456446543).

The spelling of 1323223312 in words is "one billion, three hundred twenty-three million, two hundred twenty-three thousand, three hundred twelve".