1223201333 has 4 divisors (see below), whose sum is σ = 1230035040. Its totient is φ = 1216367628.

The previous prime is 1223201327. The next prime is 1223201351. The reversal of 1223201333 is 3331023221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3331023221 = 233 ⋅14296237.

It is a cyclic number.

It is not a de Polignac number, because 1223201333 - 2⁶ = 1223201269 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 (1223201233) 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 3 ways as a sum of consecutive naturals, for example, 3416585 + ... + 3416942.

It is an arithmetic number, because the mean of its divisors is an integer number (307508760).

Almost surely, 2^1223201333 is an apocalyptic number.

It is an amenable number.

1223201333 is a deficient number, since it is larger than the sum of its proper divisors (6833707).

1223201333 is an equidigital number, since it uses as much as digits as its factorization.

1223201333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6833706.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1223201333 is about 34974.2953181333. The cubic root of 1223201333 is about 1069.4635366521.

Adding to 1223201333 its reverse (3331023221), we get a palindrome (4554224554).

The spelling of 1223201333 in words is "one billion, two hundred twenty-three million, two hundred one thousand, three hundred thirty-three".