12343311111 has 32 divisors (see below), whose sum is σ = 17046374400. Its totient is φ = 7938653184.

The previous prime is 12343311083. The next prime is 12343311157. The reversal of 12343311111 is 11111334321.

It is not a de Polignac number, because 12343311111 - 2⁹ = 12343310599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12343311161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7796626 + ... + 7798208.

It is an arithmetic number, because the mean of its divisors is an integer number (532699200).

Almost surely, 2^12343311111 is an apocalyptic number.

12343311111 is a deficient number, since it is larger than the sum of its proper divisors (4703063289).

12343311111 is a wasteful number, since it uses less digits than its factorization.

12343311111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2175.

The product of its digits is 216, while the sum is 21.

Adding to 12343311111 its reverse (11111334321), we get a palindrome (23454645432).

The spelling of 12343311111 in words is "twelve billion, three hundred forty-three million, three hundred eleven thousand, one hundred eleven".