1223334563 has 24 divisors (see below), whose sum is σ = 1384255488. Its totient is φ = 1079694000.

The previous prime is 1223334547. The next prime is 1223334583. The reversal of 1223334563 is 3654333221.

It is not a de Polignac number, because 1223334563 - 2⁴ = 1223334547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1223334533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 993158 + ... + 994388.

It is an arithmetic number, because the mean of its divisors is an integer number (57677312).

Almost surely, 2^1223334563 is an apocalyptic number.

1223334563 is a deficient number, since it is larger than the sum of its proper divisors (160920925).

1223334563 is a wasteful number, since it uses less digits than its factorization.

1223334563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487 (or 1476 counting only the distinct ones).

The product of its digits is 38880, while the sum is 32.

The square root of 1223334563 is about 34976.1999508237. The cubic root of 1223334563 is about 1069.5023635812.

Adding to 1223334563 its reverse (3654333221), we get a palindrome (4877667784).

The spelling of 1223334563 in words is "one billion, two hundred twenty-three million, three hundred thirty-four thousand, five hundred sixty-three".