216302323 has 2 divisors, whose sum is σ = 216302324. Its totient is φ = 216302322.

The previous prime is 216302321. The next prime is 216302363. The reversal of 216302323 is 323203612.

216302323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 216302323 - 2¹ = 216302321 is a prime.

Together with 216302321, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 216302294 and 216302303.

It is not a weakly prime, because it can be changed into another prime (216302321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108151161 + 108151162.

It is an arithmetic number, because the mean of its divisors is an integer number (108151162).

Almost surely, 2^216302323 is an apocalyptic number.

216302323 is a deficient number, since it is larger than the sum of its proper divisors (1).

216302323 is an equidigital number, since it uses as much as digits as its factorization.

216302323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 216302323 is about 14707.2200976255. The cubic root of 216302323 is about 600.2797982050.

Adding to 216302323 its reverse (323203612), we get a palindrome (539505935).

The spelling of 216302323 in words is "two hundred sixteen million, three hundred two thousand, three hundred twenty-three".