230212223 has 2 divisors, whose sum is σ = 230212224.
Its totient is φ = 230212222.
The previous prime is 230212219. The next prime is 230212247. The reversal of 230212223 is 322212032.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 230212223 - 22 = 230212219 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (230214223) 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, 115106111 + 115106112.
It is an arithmetic number, because the mean of its divisors is an integer number (115106112).
Almost surely, 2230212223 is an apocalyptic number.
230212223 is a deficient number, since it is larger than the sum of its proper divisors (1).
230212223 is an equidigital number, since it uses as much as digits as its factorization.
230212223 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 288, while the sum is 17.
The square root of 230212223 is about 15172.7460599590.
The cubic root of 230212223 is about 612.8809551790.
Adding to 230212223 its reverse (322212032), we get a palindrome (552424255).
The spelling of 230212223 in words is "two hundred thirty million, two hundred twelve thousand, two hundred twenty-three".