1223320304 has 40 divisors (see below), whose sum is σ = 2415262080. Its totient is φ = 600101568.

The previous prime is 1223320303. The next prime is 1223320387. The reversal of 1223320304 is 4030233221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223320303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279767 + ... + 284105.

It is an arithmetic number, because the mean of its divisors is an integer number (60381552).

Almost surely, 2^1223320304 is an apocalyptic number.

It is an amenable number.

1223320304 is a deficient number, since it is larger than the sum of its proper divisors (1191941776).

1223320304 is a wasteful number, since it uses less digits than its factorization.

1223320304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4677 (or 4671 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1223320304 is about 34975.9961116192. The cubic root of 1223320304 is about 1069.4982082466.

Adding to 1223320304 its reverse (4030233221), we get a palindrome (5253553525).

The spelling of 1223320304 in words is "one billion, two hundred twenty-three million, three hundred twenty thousand, three hundred four".