342043 has 8 divisors (see below), whose sum is σ = 373968. Its totient is φ = 310944.

The previous prime is 342037. The next prime is 342047. The reversal of 342043 is 340243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 921 + ... + 1237.

It is an arithmetic number, because the mean of its divisors is an integer number (46746).

2³⁴²⁰⁴³ is an apocalyptic number.

342043 is a deficient number, since it is larger than the sum of its proper divisors (31925).

342043 is a wasteful number, since it uses less digits than its factorization.

342043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 342043 is about 584.8444237573. The cubic root of 342043 is about 69.9348373184.

Adding to 342043 its reverse (340243), we get a palindrome (682286).

The spelling of 342043 in words is "three hundred forty-two thousand, forty-three", and thus it is an iban number.