1223213313233 has 4 divisors (see below), whose sum is σ = 1227864314688. Its totient is φ = 1218562311780.

The previous prime is 1223213313211. The next prime is 1223213313239. The reversal of 1223213313233 is 3323133123221.

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 1223213313233 - 2¹² = 1223213309137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1223213313196 and 1223213313205.

It is not an unprimeable number, because it can be changed into a prime (1223213313239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2325500333 + ... + 2325500858.

It is an arithmetic number, because the mean of its divisors is an integer number (306966078672).

Almost surely, 2^{1223213313233} is an apocalyptic number.

It is an amenable number.

1223213313233 is a deficient number, since it is larger than the sum of its proper divisors (4651001455).

1223213313233 is an equidigital number, since it uses as much as digits as its factorization.

1223213313233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4651001454.

The product of its digits is 11664, while the sum is 29.

Adding to 1223213313233 its reverse (3323133123221), we get a palindrome (4546346436454).

The spelling of 1223213313233 in words is "one trillion, two hundred twenty-three billion, two hundred thirteen million, three hundred thirteen thousand, two hundred thirty-three".