223042013 has 6 divisors (see below), whose sum is σ = 225119034. Its totient is φ = 220983984.

The previous prime is 223042003. The next prime is 223042067. The reversal of 223042013 is 310240322.

It can be written as a sum of positive squares in 3 ways, for example, as 152448409 + 70593604 = 12347^2 + 8402^2 .

It is not a de Polignac number, because 223042013 - 2⁴ = 223041997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223041982 and 223042000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223042003) 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 5 ways as a sum of consecutive naturals, for example, 2495 + ... + 21267.

It is an arithmetic number, because the mean of its divisors is an integer number (37519839).

Almost surely, 2^223042013 is an apocalyptic number.

It is an amenable number.

223042013 is a deficient number, since it is larger than the sum of its proper divisors (2077021).

223042013 is an equidigital number, since it uses as much as digits as its factorization.

223042013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18991 (or 18882 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 223042013 is about 14934.5911561047. The cubic root of 223042013 is about 606.4507795956.

Adding to 223042013 its reverse (310240322), we get a palindrome (533282335).

The spelling of 223042013 in words is "two hundred twenty-three million, forty-two thousand, thirteen".