1223404063 has 16 divisors (see below), whose sum is σ = 1509281280. Its totient is φ = 968448096.

The previous prime is 1223404037. The next prime is 1223404073. The reversal of 1223404063 is 3604043221.

It is a de Polignac number, because none of the positive numbers 2^k-1223404063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223404003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126345 + ... + 135682.

It is an arithmetic number, because the mean of its divisors is an integer number (94330080).

Almost surely, 2^1223404063 is an apocalyptic number.

1223404063 is a deficient number, since it is larger than the sum of its proper divisors (285877217).

1223404063 is a wasteful number, since it uses less digits than its factorization.

1223404063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262086.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1223404063 is about 34977.1934694595. The cubic root of 1223404063 is about 1069.5226166962.

Adding to 1223404063 its reverse (3604043221), we get a palindrome (4827447284).

The spelling of 1223404063 in words is "one billion, two hundred twenty-three million, four hundred four thousand, sixty-three".