1223304004 has 24 divisors (see below), whose sum is σ = 2343258008. Its totient is φ = 555344640.

The previous prime is 1223303959. The next prime is 1223304011. The reversal of 1223304004 is 4004033221.

It can be written as a sum of positive squares in 4 ways, for example, as 94478400 + 1128825604 = 9720^2 + 33598^2 .

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, 189657 + ... + 196000.

Almost surely, 2^1223304004 is an apocalyptic number.

It is an amenable number.

1223304004 is a deficient number, since it is larger than the sum of its proper divisors (1119954004).

1223304004 is a wasteful number, since it uses less digits than its factorization.

1223304004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385735 (or 385733 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1223304004 is about 34975.7630938912. The cubic root of 1223304004 is about 1069.4934580875.

Adding to 1223304004 its reverse (4004033221), we get a palindrome (5227337225).

The spelling of 1223304004 in words is "one billion, two hundred twenty-three million, three hundred four thousand, four".