223473009 has 8 divisors (see below), whose sum is σ = 298296160. Its totient is φ = 148815936.

The previous prime is 223472971. The next prime is 223473013. The reversal of 223473009 is 900374322.

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

It is not a de Polignac number, because 223473009 - 2⁷ = 223472881 is a prime.

It is a super-3 number, since 3×223473009³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223473209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38344 + ... + 43785.

It is an arithmetic number, because the mean of its divisors is an integer number (37287020).

Almost surely, 2^223473009 is an apocalyptic number.

It is an amenable number.

223473009 is a deficient number, since it is larger than the sum of its proper divisors (74823151).

223473009 is an equidigital number, since it uses as much as digits as its factorization.

223473009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83039.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 223473009 is about 14949.0136463915. The cubic root of 223473009 is about 606.8411540054.

The spelling of 223473009 in words is "two hundred twenty-three million, four hundred seventy-three thousand, nine".