163828823 has 4 divisors (see below), whose sum is σ = 163860048. Its totient is φ = 163797600.

The previous prime is 163828807. The next prime is 163828897. The reversal of 163828823 is 328828361.

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 163828823 - 2⁴ = 163828807 is a prime.

It is a super-3 number, since 3×163828823³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163828123) 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, 5603 + ... + 18948.

It is an arithmetic number, because the mean of its divisors is an integer number (40965012).

Almost surely, 2^163828823 is an apocalyptic number.

163828823 is a deficient number, since it is larger than the sum of its proper divisors (31225).

163828823 is an equidigital number, since it uses as much as digits as its factorization.

163828823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31224.

The product of its digits is 110592, while the sum is 41.

The square root of 163828823 is about 12799.5633909911. The cubic root of 163828823 is about 547.1798596841.

The spelling of 163828823 in words is "one hundred sixty-three million, eight hundred twenty-eight thousand, eight hundred twenty-three".