504042223 has 2 divisors, whose sum is σ = 504042224. Its totient is φ = 504042222.

The previous prime is 504042221. The next prime is 504042229. The reversal of 504042223 is 322240405.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 504042223 - 2¹ = 504042221 is a prime.

Together with 504042221, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 504042194 and 504042203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (504042221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252021111 + 252021112.

It is an arithmetic number, because the mean of its divisors is an integer number (252021112).

Almost surely, 2^504042223 is an apocalyptic number.

504042223 is a deficient number, since it is larger than the sum of its proper divisors (1).

504042223 is an equidigital number, since it uses as much as digits as its factorization.

504042223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 504042223 is about 22450.8846819006. The cubic root of 504042223 is about 795.8336642038.

Adding to 504042223 its reverse (322240405), we get a palindrome (826282628).

The spelling of 504042223 in words is "five hundred four million, forty-two thousand, two hundred twenty-three".