520067123 has 4 divisors (see below), whose sum is σ = 528881880. Its totient is φ = 511252368.

The previous prime is 520067117. The next prime is 520067143. The reversal of 520067123 is 321760025.

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 520067123 - 2²⁴ = 503289907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 520067092 and 520067101.

It is not an unprimeable number, because it can be changed into a prime (520067113) 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 3 ways as a sum of consecutive naturals, for example, 4407290 + ... + 4407407.

It is an arithmetic number, because the mean of its divisors is an integer number (132220470).

Almost surely, 2^520067123 is an apocalyptic number.

520067123 is a deficient number, since it is larger than the sum of its proper divisors (8814757).

520067123 is an equidigital number, since it uses as much as digits as its factorization.

520067123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8814756.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 520067123 is about 22804.9802236266. The cubic root of 520067123 is about 804.1797506362.

The spelling of 520067123 in words is "five hundred twenty million, sixty-seven thousand, one hundred twenty-three".