83432543 has 4 divisors (see below), whose sum is σ = 83456568. Its totient is φ = 83408520.

The previous prime is 83432539. The next prime is 83432593. The reversal of 83432543 is 34523438.

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 83432543 - 2² = 83432539 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83432593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5696 + ... + 14117.

It is an arithmetic number, because the mean of its divisors is an integer number (20864142).

Almost surely, 2^83432543 is an apocalyptic number.

83432543 is a deficient number, since it is larger than the sum of its proper divisors (24025).

83432543 is a wasteful number, since it uses less digits than its factorization.

83432543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24024.

The product of its digits is 34560, while the sum is 32.

The square root of 83432543 is about 9134.1416126530. The cubic root of 83432543 is about 436.9634988809.

The spelling of 83432543 in words is "eighty-three million, four hundred thirty-two thousand, five hundred forty-three".