520547023 has 8 divisors (see below), whose sum is σ = 523555200. Its totient is φ = 517547808.

The previous prime is 520547003. The next prime is 520547057. The reversal of 520547023 is 320745025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 520547023 - 2⁵ = 520546991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 520546982 and 520547000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520547003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138493 + ... + 142201.

It is an arithmetic number, because the mean of its divisors is an integer number (65444400).

Almost surely, 2^520547023 is an apocalyptic number.

520547023 is a deficient number, since it is larger than the sum of its proper divisors (3008177).

520547023 is a wasteful number, since it uses less digits than its factorization.

520547023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4481.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 520547023 is about 22815.4996219675. The cubic root of 520547023 is about 804.4270310350.

The spelling of 520547023 in words is "five hundred twenty million, five hundred forty-seven thousand, twenty-three".