42343543 has 8 divisors (see below), whose sum is σ = 46651536. Its totient is φ = 38112000.

The previous prime is 42343541. The next prime is 42343547. The reversal of 42343543 is 34534324.

42343543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42343543 - 2¹ = 42343541 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 (42343541) 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 7 ways as a sum of consecutive naturals, for example, 17946 + ... + 20167.

It is an arithmetic number, because the mean of its divisors is an integer number (5831442).

Almost surely, 2^42343543 is an apocalyptic number.

42343543 is a deficient number, since it is larger than the sum of its proper divisors (4307993).

42343543 is a wasteful number, since it uses less digits than its factorization.

42343543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38225.

The product of its digits is 17280, while the sum is 28.

The square root of 42343543 is about 6507.1916369506. The cubic root of 42343543 is about 348.5478417977.

Adding to 42343543 its reverse (34534324), we get a palindrome (76877867).

It can be divided in two parts, 4234 and 3543, that added together give a palindrome (7777).

The spelling of 42343543 in words is "forty-two million, three hundred forty-three thousand, five hundred forty-three".