12323311311111 has 16 divisors (see below), whose sum is σ = 16591876704000. Its totient is φ = 8135155607040.

The previous prime is 12323311311109. The next prime is 12323311311203. The reversal of 12323311311111 is 11111311332321.

It is not a de Polignac number, because 12323311311111 - 2¹ = 12323311311109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12323311312111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2534640 + ... + 5574138.

It is an arithmetic number, because the mean of its divisors is an integer number (1036992294000).

Almost surely, 2^{12323311311111} is an apocalyptic number.

12323311311111 is a deficient number, since it is larger than the sum of its proper divisors (4268565392889).

12323311311111 is a wasteful number, since it uses less digits than its factorization.

12323311311111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3052726.

The product of its digits is 324, while the sum is 24.

Adding to 12323311311111 its reverse (11111311332321), we get a palindrome (23434622643432).

The spelling of 12323311311111 in words is "twelve trillion, three hundred twenty-three billion, three hundred eleven million, three hundred eleven thousand, one hundred eleven".