11321223111223 has 2 divisors, whose sum is σ = 11321223111224. Its totient is φ = 11321223111222.

The previous prime is 11321223111197. The next prime is 11321223111241. The reversal of 11321223111223 is 32211132212311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11321223111223 - 2⁹ = 11321223110711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11321223111923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660611555611 + 5660611555612.

It is an arithmetic number, because the mean of its divisors is an integer number (5660611555612).

Almost surely, 2^{11321223111223} is an apocalyptic number.

11321223111223 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321223111223 is an equidigital number, since it uses as much as digits as its factorization.

11321223111223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 25.

Adding to 11321223111223 its reverse (32211132212311), we get a palindrome (43532355323534).

The spelling of 11321223111223 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty-three million, one hundred eleven thousand, two hundred twenty-three".