43216243 has 8 divisors (see below), whose sum is σ = 50200160. Its totient is φ = 36434880.

The previous prime is 43216231. The next prime is 43216267. The reversal of 43216243 is 34261234.

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 43216243 - 2¹⁷ = 43085171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43216213) 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, 50178 + ... + 51031.

It is an arithmetic number, because the mean of its divisors is an integer number (6275020).

Almost surely, 2^43216243 is an apocalyptic number.

43216243 is a deficient number, since it is larger than the sum of its proper divisors (6983917).

43216243 is a wasteful number, since it uses less digits than its factorization.

43216243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101277.

The product of its digits is 3456, while the sum is 25.

The square root of 43216243 is about 6573.9062208097. The cubic root of 43216243 is about 350.9260997603.

Adding to 43216243 its reverse (34261234), we get a palindrome (77477477).

The spelling of 43216243 in words is "forty-three million, two hundred sixteen thousand, two hundred forty-three".