12342043 has 4 divisors (see below), whose sum is σ = 14105200. Its totient is φ = 10578888.

The previous prime is 12342013. The next prime is 12342047. The reversal of 12342043 is 34024321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34024321 = 271 ⋅125551.

It is a cyclic number.

It is not a de Polignac number, because 12342043 - 2¹³ = 12333851 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 12342043.

It is not an unprimeable number, because it can be changed into a prime (12342047) 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 in 3 ways as a sum of consecutive naturals, for example, 881568 + ... + 881581.

It is an arithmetic number, because the mean of its divisors is an integer number (3526300).

Almost surely, 2^12342043 is an apocalyptic number.

12342043 is a deficient number, since it is larger than the sum of its proper divisors (1763157).

12342043 is an equidigital number, since it uses as much as digits as its factorization.

12342043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763156.

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

The square root of 12342043 is about 3513.1243929016. The cubic root of 12342043 is about 231.0977329243.

Adding to 12342043 its reverse (34024321), we get a palindrome (46366364).

The spelling of 12342043 in words is "twelve million, three hundred forty-two thousand, forty-three".