12042343 has 2 divisors, whose sum is σ = 12042344. Its totient is φ = 12042342.

The previous prime is 12042319. The next prime is 12042347. The reversal of 12042343 is 34324021.

It is a strong prime.

It is an emirp because it is prime and its reverse (34324021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12042343 - 2⁵ = 12042311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12042343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12042347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6021171 + 6021172.

It is an arithmetic number, because the mean of its divisors is an integer number (6021172).

Almost surely, 2^12042343 is an apocalyptic number.

12042343 is a deficient number, since it is larger than the sum of its proper divisors (1).

12042343 is an equidigital number, since it uses as much as digits as its factorization.

12042343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 12042343 is about 3470.2079188429. The cubic root of 12042343 is about 229.2118137094.

Adding to 12042343 its reverse (34324021), we get a palindrome (46366364).

The spelling of 12042343 in words is "twelve million, forty-two thousand, three hundred forty-three".