228663323 has 4 divisors (see below), whose sum is σ = 261329520. Its totient is φ = 195997128.

The previous prime is 228663317. The next prime is 228663329. The reversal of 228663323 is 323366822.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (228663317) and next prime (228663329).

It is a cyclic number.

It is not a de Polignac number, because 228663323 - 2⁴ = 228663307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228663329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16333088 + ... + 16333101.

It is an arithmetic number, because the mean of its divisors is an integer number (65332380).

Almost surely, 2^228663323 is an apocalyptic number.

228663323 is a deficient number, since it is larger than the sum of its proper divisors (32666197).

228663323 is an equidigital number, since it uses as much as digits as its factorization.

228663323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32666196.

The product of its digits is 62208, while the sum is 35.

The square root of 228663323 is about 15121.6177375306. The cubic root of 228663323 is about 611.5033447275.

The spelling of 228663323 in words is "two hundred twenty-eight million, six hundred sixty-three thousand, three hundred twenty-three".