1223433313 has 4 divisors (see below), whose sum is σ = 1287824560. Its totient is φ = 1159042068.

The previous prime is 1223433307. The next prime is 1223433347. The reversal of 1223433313 is 3133343221.

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.

It is a cyclic number.

It is not a de Polignac number, because 1223433313 - 2⁹ = 1223432801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1223439313) 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, 32195595 + ... + 32195632.

It is an arithmetic number, because the mean of its divisors is an integer number (321956140).

Almost surely, 2^1223433313 is an apocalyptic number.

It is an amenable number.

1223433313 is a deficient number, since it is larger than the sum of its proper divisors (64391247).

1223433313 is an equidigital number, since it uses as much as digits as its factorization.

1223433313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64391246.

The product of its digits is 3888, while the sum is 25.

The square root of 1223433313 is about 34977.6115965627. The cubic root of 1223433313 is about 1069.5311402599.

Adding to 1223433313 its reverse (3133343221), we get a palindrome (4356776534).

The spelling of 1223433313 in words is "one billion, two hundred twenty-three million, four hundred thirty-three thousand, three hundred thirteen".