506315323 has 4 divisors (see below), whose sum is σ = 511328448. Its totient is φ = 501302200.

The previous prime is 506315309. The next prime is 506315339. The reversal of 506315323 is 323513605.

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 506315323 - 2¹⁷ = 506184251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 506315291 and 506315300.

It is not an unprimeable number, because it can be changed into a prime (506315923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2506411 + ... + 2506612.

It is an arithmetic number, because the mean of its divisors is an integer number (127832112).

Almost surely, 2^506315323 is an apocalyptic number.

506315323 is a deficient number, since it is larger than the sum of its proper divisors (5013125).

506315323 is a wasteful number, since it uses less digits than its factorization.

506315323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5013124.

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 506315323 is about 22501.4515753984. The cubic root of 506315323 is about 797.0282049414.

Adding to 506315323 its reverse (323513605), we get a palindrome (829828928).

The spelling of 506315323 in words is "five hundred six million, three hundred fifteen thousand, three hundred twenty-three".