223047005 has 4 divisors (see below), whose sum is σ = 267656412. Its totient is φ = 178437600.

The previous prime is 223047001. The next prime is 223047029. The reversal of 223047005 is 500740322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500740322 = 2 ⋅250370161.

It can be written as a sum of positive squares in 2 ways, for example, as 105411289 + 117635716 = 10267^2 + 10846^2 .

It is not a de Polignac number, because 223047005 - 2² = 223047001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223047001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22304696 + ... + 22304705.

It is an arithmetic number, because the mean of its divisors is an integer number (66914103).

Almost surely, 2^223047005 is an apocalyptic number.

It is an amenable number.

223047005 is a deficient number, since it is larger than the sum of its proper divisors (44609407).

223047005 is an equidigital number, since it uses as much as digits as its factorization.

223047005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44609406.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 223047005 is about 14934.7582839496. The cubic root of 223047005 is about 606.4553039745.

Adding to 223047005 its reverse (500740322), we get a palindrome (723787327).

The spelling of 223047005 in words is "two hundred twenty-three million, forty-seven thousand, five".