123208163 has 16 divisors (see below), whose sum is σ = 142289280. Its totient is φ = 105670656.

The previous prime is 123208147. The next prime is 123208177. The reversal of 123208163 is 361802321.

It is not a de Polignac number, because 123208163 - 2⁴ = 123208147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123208123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13931 + ... + 20987.

It is an arithmetic number, because the mean of its divisors is an integer number (8893080).

Almost surely, 2^123208163 is an apocalyptic number.

123208163 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123208163 is a deficient number, since it is larger than the sum of its proper divisors (19081117).

123208163 is a wasteful number, since it uses less digits than its factorization.

123208163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7166.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 123208163 is about 11099.9172519438. The cubic root of 123208163 is about 497.5993764596.

The spelling of 123208163 in words is "one hundred twenty-three million, two hundred eight thousand, one hundred sixty-three".