12342311 has 4 divisors (see below), whose sum is σ = 12351000. Its totient is φ = 12333624.

The previous prime is 12342307. The next prime is 12342331. The reversal of 12342311 is 11324321.

12342311 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 11324321 = 47 ⋅240943.

It is a cyclic number.

It is not a de Polignac number, because 12342311 - 2² = 12342307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12342311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12342331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1661 + ... + 5238.

It is an arithmetic number, because the mean of its divisors is an integer number (3087750).

Almost surely, 2^12342311 is an apocalyptic number.

12342311 is a deficient number, since it is larger than the sum of its proper divisors (8689).

12342311 is an equidigital number, since it uses as much as digits as its factorization.

12342311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8688.

The product of its digits is 144, while the sum is 17.

The square root of 12342311 is about 3513.1625353803. The cubic root of 12342311 is about 231.0994056280.

Adding to 12342311 its reverse (11324321), we get a palindrome (23666632).

The spelling of 12342311 in words is "twelve million, three hundred forty-two thousand, three hundred eleven".