223509009 has 8 divisors (see below), whose sum is σ = 310969152. Its totient is φ = 142527440.

The previous prime is 223509007. The next prime is 223509019. The reversal of 223509009 is 900905322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223509009 - 2¹ = 223509007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223509001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1619562 + ... + 1619699.

It is an arithmetic number, because the mean of its divisors is an integer number (38871144).

Almost surely, 2^223509009 is an apocalyptic number.

It is an amenable number.

223509009 is a deficient number, since it is larger than the sum of its proper divisors (87460143).

223509009 is a wasteful number, since it uses less digits than its factorization.

223509009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239287.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 223509009 is about 14950.2176907228. The cubic root of 223509009 is about 606.8737382664.

The spelling of 223509009 in words is "two hundred twenty-three million, five hundred nine thousand, nine".