11220231223 has 2 divisors, whose sum is σ = 11220231224. Its totient is φ = 11220231222.

The previous prime is 11220231193. The next prime is 11220231229. The reversal of 11220231223 is 32213202211.

11220231223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11220231223 - 2²⁵ = 11186676791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11220231223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11220231229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610115611 + 5610115612.

It is an arithmetic number, because the mean of its divisors is an integer number (5610115612).

Almost surely, 2^11220231223 is an apocalyptic number.

11220231223 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220231223 is an equidigital number, since it uses as much as digits as its factorization.

11220231223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11220231223 its reverse (32213202211), we get a palindrome (43433433434).

The spelling of 11220231223 in words is "eleven billion, two hundred twenty million, two hundred thirty-one thousand, two hundred twenty-three".