123379618168 has 72 divisors (see below), whose sum is σ = 241463149200. Its totient is φ = 59099230848.

The previous prime is 123379618163. The next prime is 123379618177. The reversal of 123379618168 is 861816973321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123379618163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 445413646 + ... + 445413922.

It is an arithmetic number, because the mean of its divisors is an integer number (3353654850).

Almost surely, 2^123379618168 is an apocalyptic number.

It is an amenable number.

123379618168 is a deficient number, since it is larger than the sum of its proper divisors (118083531032).

123379618168 is an equidigital number, since it uses as much as digits as its factorization.

123379618168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857 (or 547 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 55.

The spelling of 123379618168 in words is "one hundred twenty-three billion, three hundred seventy-nine million, six hundred eighteen thousand, one hundred sixty-eight".