520223103 has 24 divisors (see below), whose sum is σ = 796910400. Its totient is φ = 325891584.

The previous prime is 520222991. The next prime is 520223107. The reversal of 520223103 is 301322025.

It is not a de Polignac number, because 520223103 - 2¹³ = 520214911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520223107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107643 + ... + 112371.

It is an arithmetic number, because the mean of its divisors is an integer number (33204600).

Almost surely, 2^520223103 is an apocalyptic number.

520223103 is a deficient number, since it is larger than the sum of its proper divisors (276687297).

520223103 is a wasteful number, since it uses less digits than its factorization.

520223103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5471 (or 5468 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 520223103 is about 22808.3998342716. The cubic root of 520223103 is about 804.2601398871.

Adding to 520223103 its reverse (301322025), we get a palindrome (821545128).

The spelling of 520223103 in words is "five hundred twenty million, two hundred twenty-three thousand, one hundred three".