506303123 has 4 divisors (see below), whose sum is σ = 506349720. Its totient is φ = 506256528.

The previous prime is 506303099. The next prime is 506303143. The reversal of 506303123 is 321303605.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 506303123 - 2²⁸ = 237867667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506303143) 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, 2588 + ... + 31926.

It is an arithmetic number, because the mean of its divisors is an integer number (126587430).

Almost surely, 2^506303123 is an apocalyptic number.

506303123 is a deficient number, since it is larger than the sum of its proper divisors (46597).

506303123 is a wasteful number, since it uses less digits than its factorization.

506303123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46596.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 506303123 is about 22501.1804801437. The cubic root of 506303123 is about 797.0218032508.

Adding to 506303123 its reverse (321303605), we get a palindrome (827606728).

The spelling of 506303123 in words is "five hundred six million, three hundred three thousand, one hundred twenty-three".