1223313333 has 16 divisors (see below), whose sum is σ = 1779950592. Its totient is φ = 741158000.

The previous prime is 1223313317. The next prime is 1223313367. The reversal of 1223313333 is 3333133221.

It is not a de Polignac number, because 1223313333 - 2⁴ = 1223313317 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223313733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185218 + ... + 191708.

It is an arithmetic number, because the mean of its divisors is an integer number (111246912).

Almost surely, 2^1223313333 is an apocalyptic number.

It is an amenable number.

1223313333 is a deficient number, since it is larger than the sum of its proper divisors (556637259).

1223313333 is a wasteful number, since it uses less digits than its factorization.

1223313333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12216.

The product of its digits is 2916, while the sum is 24.

The square root of 1223313333 is about 34975.8964574176. The cubic root of 1223313333 is about 1069.4961767573.

Adding to 1223313333 its reverse (3333133221), we get a palindrome (4556446554).

The spelling of 1223313333 in words is "one billion, two hundred twenty-three million, three hundred thirteen thousand, three hundred thirty-three".