11013231211223 has 2 divisors, whose sum is σ = 11013231211224. Its totient is φ = 11013231211222.

The previous prime is 11013231211217. The next prime is 11013231211289. The reversal of 11013231211223 is 32211213231011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11013231211223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11013231211823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506615605611 + 5506615605612.

It is an arithmetic number, because the mean of its divisors is an integer number (5506615605612).

Almost surely, 2^{11013231211223} is an apocalyptic number.

11013231211223 is a deficient number, since it is larger than the sum of its proper divisors (1).

11013231211223 is an equidigital number, since it uses as much as digits as its factorization.

11013231211223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 11013231211223 its reverse (32211213231011), we get a palindrome (43224444442234).

The spelling of 11013231211223 in words is "eleven trillion, thirteen billion, two hundred thirty-one million, two hundred eleven thousand, two hundred twenty-three".