42341543 has 4 divisors (see below), whose sum is σ = 44832240. Its totient is φ = 39850848.

The previous prime is 42341539. The next prime is 42341569. The reversal of 42341543 is 34514324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42341543 - 2² = 42341539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42341843) 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 in 3 ways as a sum of consecutive naturals, for example, 1245323 + ... + 1245356.

It is an arithmetic number, because the mean of its divisors is an integer number (11208060).

Almost surely, 2^42341543 is an apocalyptic number.

42341543 is a deficient number, since it is larger than the sum of its proper divisors (2490697).

42341543 is a wasteful number, since it uses less digits than its factorization.

42341543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490696.

The product of its digits is 5760, while the sum is 26.

The square root of 42341543 is about 6507.0379590102. The cubic root of 42341543 is about 348.5423540923.

Adding to 42341543 its reverse (34514324), we get a palindrome (76855867).

The spelling of 42341543 in words is "forty-two million, three hundred forty-one thousand, five hundred forty-three".