123163959 has 16 divisors (see below), whose sum is σ = 169475040. Its totient is φ = 79511040.

The previous prime is 123163951. The next prime is 123163969. The reversal of 123163959 is 959361321.

It is not a de Polignac number, because 123163959 - 2³ = 123163951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123163951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13197 + ... + 20505.

It is an arithmetic number, because the mean of its divisors is an integer number (10592190).

Almost surely, 2^123163959 is an apocalyptic number.

123163959 is a deficient number, since it is larger than the sum of its proper divisors (46311081).

123163959 is a wasteful number, since it uses less digits than its factorization.

123163959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7490.

The product of its digits is 43740, while the sum is 39.

The square root of 123163959 is about 11097.9258872998. The cubic root of 123163959 is about 497.5398606144.

The spelling of 123163959 in words is "one hundred twenty-three million, one hundred sixty-three thousand, nine hundred fifty-nine".