520341223 has 2 divisors, whose sum is σ = 520341224. Its totient is φ = 520341222.

The previous prime is 520341221. The next prime is 520341233. The reversal of 520341223 is 322143025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520341223 - 2¹ = 520341221 is a prime.

It is a super-3 number, since 3×520341223³ (a number of 27 digits) contains 333 as substring.

Together with 520341221, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 520341194 and 520341203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520341221) 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 as a sum of consecutive naturals, namely, 260170611 + 260170612.

It is an arithmetic number, because the mean of its divisors is an integer number (260170612).

Almost surely, 2^520341223 is an apocalyptic number.

520341223 is a deficient number, since it is larger than the sum of its proper divisors (1).

520341223 is an equidigital number, since it uses as much as digits as its factorization.

520341223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 520341223 is about 22810.9890842111. The cubic root of 520341223 is about 804.3210060924.

Adding to 520341223 its reverse (322143025), we get a palindrome (842484248).

The spelling of 520341223 in words is "five hundred twenty million, three hundred forty-one thousand, two hundred twenty-three".