343243 has 2 divisors, whose sum is σ = 343244. Its totient is φ = 343242.

The previous prime is 343237. The next prime is 343253. The reversal of 343243 is 342343.

It is a weak prime.

It is an emirp because it is prime and its reverse (342343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343243 - 2¹³ = 335051 is a prime.

It is a d-powerful number, because it can be written as 3⁴ + 4⁸ + 2¹³ + 3⁶ + 4⁹ + 3⁸ .

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 343243.

It is not a weakly prime, because it can be changed into another prime (343253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171621 + 171622.

It is an arithmetic number, because the mean of its divisors is an integer number (171622).

2³⁴³²⁴³ is an apocalyptic number.

343243 is a deficient number, since it is larger than the sum of its proper divisors (1).

343243 is an equidigital number, since it uses as much as digits as its factorization.

343243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 19.

The square root of 343243 is about 585.8694393805. The cubic root of 343243 is about 70.0165267101.

Adding to 343243 its reverse (342343), we get a palindrome (685586).

Subtracting from 343243 its reverse (342343), we obtain a square (900 = 30²).

The spelling of 343243 in words is "three hundred forty-three thousand, two hundred forty-three", and thus it is an iban number.