520314423 has 4 divisors (see below), whose sum is σ = 693752568. Its totient is φ = 346876280.

The previous prime is 520314413. The next prime is 520314437. The reversal of 520314423 is 324413025.

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 520314423 - 2¹³ = 520306231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 520314393 and 520314402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520314413) 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 in 3 ways as a sum of consecutive naturals, for example, 86719068 + ... + 86719073.

It is an arithmetic number, because the mean of its divisors is an integer number (173438142).

Almost surely, 2^520314423 is an apocalyptic number.

520314423 is a deficient number, since it is larger than the sum of its proper divisors (173438145).

520314423 is a wasteful number, since it uses less digits than its factorization.

520314423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173438144.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 520314423 is about 22810.4016404797. The cubic root of 520314423 is about 804.3071970942.

Adding to 520314423 its reverse (324413025), we get a palindrome (844727448).

The spelling of 520314423 in words is "five hundred twenty million, three hundred fourteen thousand, four hundred twenty-three".