223106009 has 4 divisors (see below), whose sum is σ = 254978304. Its totient is φ = 191233716.

The previous prime is 223105997. The next prime is 223106017. The reversal of 223106009 is 900601322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223106009 is a prime.

It is a super-3 number, since 3×223106009³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223106089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15936137 + ... + 15936150.

It is an arithmetic number, because the mean of its divisors is an integer number (63744576).

Almost surely, 2^223106009 is an apocalyptic number.

It is an amenable number.

223106009 is a deficient number, since it is larger than the sum of its proper divisors (31872295).

223106009 is an equidigital number, since it uses as much as digits as its factorization.

223106009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31872294.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 223106009 is about 14936.7335451899. The cubic root of 223106009 is about 606.5087757138.

The spelling of 223106009 in words is "two hundred twenty-three million, one hundred six thousand, nine".