1223320204 has 24 divisors (see below), whose sum is σ = 2268762048. Its totient is φ = 575166720.

The previous prime is 1223320177. The next prime is 1223320207. The reversal of 1223320204 is 4020233221.

It is not an unprimeable number, because it can be changed into a prime (1223320207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75069 + ... + 89899.

It is an arithmetic number, because the mean of its divisors is an integer number (94531752).

Almost surely, 2^1223320204 is an apocalyptic number.

It is an amenable number.

1223320204 is a deficient number, since it is larger than the sum of its proper divisors (1045441844).

1223320204 is a wasteful number, since it uses less digits than its factorization.

1223320204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16065 (or 16063 counting only the distinct ones).

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

The square root of 1223320204 is about 34975.9946820673. The cubic root of 1223320204 is about 1069.4981791046.

Adding to 1223320204 its reverse (4020233221), we get a palindrome (5243553425).

The spelling of 1223320204 in words is "one billion, two hundred twenty-three million, three hundred twenty thousand, two hundred four".