520550441121223 has 4 divisors (see below), whose sum is σ = 520550815220568. Its totient is φ = 520550067021880.

The previous prime is 520550441121143. The next prime is 520550441121419. The reversal of 520550441121223 is 322121144055025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 520550441121223 - 2²¹ = 520550439024071 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 (520550241121223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184954636 + ... + 187748017.

It is an arithmetic number, because the mean of its divisors is an integer number (130137703805142).

Almost surely, 2^{520550441121223} is an apocalyptic number.

520550441121223 is a deficient number, since it is larger than the sum of its proper divisors (374099345).

520550441121223 is a wasteful number, since it uses less digits than its factorization.

520550441121223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374099344.

The product of its (nonzero) digits is 96000, while the sum is 37.

Adding to 520550441121223 its reverse (322121144055025), we get a palindrome (842671585176248).

The spelling of 520550441121223 in words is "five hundred twenty trillion, five hundred fifty billion, four hundred forty-one million, one hundred twenty-one thousand, two hundred twenty-three".