228566323 has 2 divisors, whose sum is σ = 228566324. Its totient is φ = 228566322.

The previous prime is 228566321. The next prime is 228566339. The reversal of 228566323 is 323665822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228566323 - 2¹ = 228566321 is a prime.

Together with 228566321, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (228566321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114283161 + 114283162.

It is an arithmetic number, because the mean of its divisors is an integer number (114283162).

Almost surely, 2^228566323 is an apocalyptic number.

228566323 is a deficient number, since it is larger than the sum of its proper divisors (1).

228566323 is an equidigital number, since it uses as much as digits as its factorization.

228566323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 37.

The square root of 228566323 is about 15118.4100685224. The cubic root of 228566323 is about 611.4168650173.

The spelling of 228566323 in words is "two hundred twenty-eight million, five hundred sixty-six thousand, three hundred twenty-three".