11223311233 has 2 divisors, whose sum is σ = 11223311234. Its totient is φ = 11223311232.

The previous prime is 11223311171. The next prime is 11223311237. The reversal of 11223311233 is 33211332211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10129818609 + 1093492624 = 100647^2 + 33068^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11223311233 is a prime.

It is not a weakly prime, because it can be changed into another prime (11223311237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611655616 + 5611655617.

It is an arithmetic number, because the mean of its divisors is an integer number (5611655617).

Almost surely, 2^11223311233 is an apocalyptic number.

It is an amenable number.

11223311233 is a deficient number, since it is larger than the sum of its proper divisors (1).

11223311233 is an equidigital number, since it uses as much as digits as its factorization.

11223311233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 22.

Adding to 11223311233 its reverse (33211332211), we get a palindrome (44434643444).

The spelling of 11223311233 in words is "eleven billion, two hundred twenty-three million, three hundred eleven thousand, two hundred thirty-three".