123429968 has 20 divisors (see below), whose sum is σ = 239672160. Its totient is φ = 61579104.

The previous prime is 123429959. The next prime is 123430001. The reversal of 123429968 is 869924321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788 + ... + 15731.

It is an arithmetic number, because the mean of its divisors is an integer number (11983608).

Almost surely, 2^123429968 is an apocalyptic number.

It is an amenable number.

123429968 is a deficient number, since it is larger than the sum of its proper divisors (116242192).

123429968 is a wasteful number, since it uses less digits than its factorization.

123429968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16994 (or 16988 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 123429968 is about 11109.9040499907. The cubic root of 123429968 is about 497.8977978794.

The spelling of 123429968 in words is "one hundred twenty-three million, four hundred twenty-nine thousand, nine hundred sixty-eight".