223213113209 has 2 divisors, whose sum is σ = 223213113210. Its totient is φ = 223213113208.

The previous prime is 223213113199. The next prime is 223213113223. The reversal of 223213113209 is 902311312322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193470661609 + 29742451600 = 439853^2 + 172460^2 .

It is a cyclic number.

It is not a de Polignac number, because 223213113209 - 2⁸ = 223213112953 is a prime.

It is a super-3 number, since 3×223213113209³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (223213113259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111606556604 + 111606556605.

It is an arithmetic number, because the mean of its divisors is an integer number (111606556605).

Almost surely, 2^223213113209 is an apocalyptic number.

It is an amenable number.

223213113209 is a deficient number, since it is larger than the sum of its proper divisors (1).

223213113209 is an equidigital number, since it uses as much as digits as its factorization.

223213113209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 223213113209 in words is "two hundred twenty-three billion, two hundred thirteen million, one hundred thirteen thousand, two hundred nine".