223320018609 has 6 divisors (see below), whose sum is σ = 322573360226. Its totient is φ = 148880012400.

The previous prime is 223320018589. The next prime is 223320018619. The reversal of 223320018609 is 906810023322.

223320018609 is a `hidden beast` number, since 2 + 2 + 3 + 32 + 0 + 0 + 18 + 609 = 666.

It can be written as a sum of positive squares in only one way, i.e., 215252386209 + 8067632400 = 463953^2 + 89820^2 .

It is not a de Polignac number, because 223320018609 - 2⁸ = 223320018353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223320018619) 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 in 5 ways as a sum of consecutive naturals, for example, 12406667692 + ... + 12406667709.

Almost surely, 2^223320018609 is an apocalyptic number.

It is an amenable number.

223320018609 is a deficient number, since it is larger than the sum of its proper divisors (99253341617).

223320018609 is a wasteful number, since it uses less digits than its factorization.

223320018609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24813335407 (or 24813335404 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 223320018609 in words is "two hundred twenty-three billion, three hundred twenty million, eighteen thousand, six hundred nine".