216302343 has 8 divisors (see below), whose sum is σ = 289913856. Its totient is φ = 143446200.

The previous prime is 216302323. The next prime is 216302363. The reversal of 216302343 is 343203612.

It is an interprime number because it is at equal distance from previous prime (216302323) and next prime (216302363).

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

It is not a de Polignac number, because 216302343 - 2⁵ = 216302311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216302323) 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, 188173 + ... + 189318.

It is an arithmetic number, because the mean of its divisors is an integer number (36239232).

Almost surely, 2^216302343 is an apocalyptic number.

216302343 is a deficient number, since it is larger than the sum of its proper divisors (73611513).

216302343 is a wasteful number, since it uses less digits than its factorization.

216302343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377685.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 216302343 is about 14707.2207775637. The cubic root of 216302343 is about 600.2798167063.

Adding to 216302343 its reverse (343203612), we get a palindrome (559505955).

The spelling of 216302343 in words is "two hundred sixteen million, three hundred two thousand, three hundred forty-three".