163828123 has 2 divisors, whose sum is σ = 163828124. Its totient is φ = 163828122.

The previous prime is 163828121. The next prime is 163828153. The reversal of 163828123 is 321828361.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163828123 - 2¹ = 163828121 is a prime.

Together with 163828121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (163828121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81914061 + 81914062.

It is an arithmetic number, because the mean of its divisors is an integer number (81914062).

Almost surely, 2^163828123 is an apocalyptic number.

163828123 is a deficient number, since it is larger than the sum of its proper divisors (1).

163828123 is an equidigital number, since it uses as much as digits as its factorization.

163828123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 34.

The square root of 163828123 is about 12799.5360462792. The cubic root of 163828123 is about 547.1790803616.

The spelling of 163828123 in words is "one hundred sixty-three million, eight hundred twenty-eight thousand, one hundred twenty-three".