12340343 has 2 divisors, whose sum is σ = 12340344. Its totient is φ = 12340342.

The previous prime is 12340313. The next prime is 12340373. The reversal of 12340343 is 34304321.

It is a balanced prime because it is at equal distance from previous prime (12340313) and next prime (12340373).

It is a cyclic number.

It is not a de Polignac number, because 12340343 - 2¹⁶ = 12274807 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12340313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6170171 + 6170172.

It is an arithmetic number, because the mean of its divisors is an integer number (6170172).

Almost surely, 2^12340343 is an apocalyptic number.

12340343 is a deficient number, since it is larger than the sum of its proper divisors (1).

12340343 is an equidigital number, since it uses as much as digits as its factorization.

12340343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 12340343 is about 3512.8824346966. The cubic root of 12340343 is about 231.0871219262.

Adding to 12340343 its reverse (34304321), we get a palindrome (46644664).

The spelling of 12340343 in words is "twelve million, three hundred forty thousand, three hundred forty-three".