1223104312 has 32 divisors (see below), whose sum is σ = 2346220800. Its totient is φ = 597491424.

The previous prime is 1223104283. The next prime is 1223104339. The reversal of 1223104312 is 2134013221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1223104312.

It is a congruent number.

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, 239239 + ... + 244297.

It is an arithmetic number, because the mean of its divisors is an integer number (73319400).

Almost surely, 2^1223104312 is an apocalyptic number.

It is an amenable number.

1223104312 is a deficient number, since it is larger than the sum of its proper divisors (1123116488).

1223104312 is a wasteful number, since it uses less digits than its factorization.

1223104312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5755 (or 5751 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1223104312 is about 34972.9082576785. The cubic root of 1223104312 is about 1069.4352602590.

Adding to 1223104312 its reverse (2134013221), we get a palindrome (3357117533).

The spelling of 1223104312 in words is "one billion, two hundred twenty-three million, one hundred four thousand, three hundred twelve".