823163506 has 8 divisors (see below), whose sum is σ = 1346994864. Its totient is φ = 374165220.

The previous prime is 823163483. The next prime is 823163507. The reversal of 823163506 is 605361328.

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

It is a super-2 number, since 2×823163506² = 1355196315220424072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (823163507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18708240 + ... + 18708283.

It is an arithmetic number, because the mean of its divisors is an integer number (168374358).

Almost surely, 2^823163506 is an apocalyptic number.

823163506 is a deficient number, since it is larger than the sum of its proper divisors (523831358).

823163506 is a wasteful number, since it uses less digits than its factorization.

823163506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37416536.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 823163506 is about 28690.8261644729. The cubic root of 823163506 is about 937.1922805418.

The spelling of 823163506 in words is "eight hundred twenty-three million, one hundred sixty-three thousand, five hundred six".