506366823 has 8 divisors (see below), whose sum is σ = 687894768. Its totient is φ = 331208384.

The previous prime is 506366813. The next prime is 506366831. The reversal of 506366823 is 328663605.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 506366823 - 2⁴ = 506366807 is a prime.

It is a super-2 number, since 2×506366823² = 512814718870226658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506366813) 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 7 ways as a sum of consecutive naturals, for example, 1592190 + ... + 1592507.

It is an arithmetic number, because the mean of its divisors is an integer number (85986846).

Almost surely, 2^506366823 is an apocalyptic number.

506366823 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

506366823 is a deficient number, since it is larger than the sum of its proper divisors (181527945).

506366823 is a wasteful number, since it uses less digits than its factorization.

506366823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184753.

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 506366823 is about 22502.5959169159. The cubic root of 506366823 is about 797.0552273384.

The spelling of 506366823 in words is "five hundred six million, three hundred sixty-six thousand, eight hundred twenty-three".