12343231211 has 2 divisors, whose sum is σ = 12343231212. Its totient is φ = 12343231210.

The previous prime is 12343231189. The next prime is 12343231213. The reversal of 12343231211 is 11213234321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12343231211 - 2¹⁰ = 12343230187 is a prime.

Together with 12343231213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12343231213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6171615605 + 6171615606.

It is an arithmetic number, because the mean of its divisors is an integer number (6171615606).

Almost surely, 2^12343231211 is an apocalyptic number.

12343231211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12343231211 is an equidigital number, since it uses as much as digits as its factorization.

12343231211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

Adding to 12343231211 its reverse (11213234321), we get a palindrome (23556465532).

The spelling of 12343231211 in words is "twelve billion, three hundred forty-three million, two hundred thirty-one thousand, two hundred eleven".