163823028 has 24 divisors (see below), whose sum is σ = 383859840. Its totient is φ = 54379192.

The previous prime is 163823027. The next prime is 163823029. The reversal of 163823028 is 820328361.

163823028 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (163823027) and next prime (163823029).

It is a self number, because there is not a number n which added to its sum of digits gives 163823028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163823027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 685333 + ... + 685571.

It is an arithmetic number, because the mean of its divisors is an integer number (15994160).

Almost surely, 2^163823028 is an apocalyptic number.

It is an amenable number.

163823028 is an abundant number, since it is smaller than the sum of its proper divisors (220036812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163823028 is an frugal number, since it uses more digits than its factorization.

163823028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 163823028 is about 12799.3370140801. The cubic root of 163823028 is about 547.1734079405.

The spelling of 163823028 in words is "one hundred sixty-three million, eight hundred twenty-three thousand, twenty-eight".