506304323 has 4 divisors (see below), whose sum is σ = 578633520. Its totient is φ = 433975128.

The previous prime is 506304299. The next prime is 506304347. The reversal of 506304323 is 323403605.

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

It is an interprime number because it is at equal distance from previous prime (506304299) and next prime (506304347).

It is a cyclic number.

It is not a de Polignac number, because 506304323 - 2¹⁶ = 506238787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 506304292 and 506304301.

It is not an unprimeable number, because it can be changed into a prime (506304923) 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, 36164588 + ... + 36164601.

It is an arithmetic number, because the mean of its divisors is an integer number (144658380).

Almost surely, 2^506304323 is an apocalyptic number.

506304323 is a deficient number, since it is larger than the sum of its proper divisors (72329197).

506304323 is an equidigital number, since it uses as much as digits as its factorization.

506304323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72329196.

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 506304323 is about 22501.2071453956. The cubic root of 506304323 is about 797.0224329298.

Adding to 506304323 its reverse (323403605), we get a palindrome (829707928).

The spelling of 506304323 in words is "five hundred six million, three hundred four thousand, three hundred twenty-three".