123871567168 has 14 divisors (see below), whose sum is σ = 245807641226. Its totient is φ = 61935783552.

The previous prime is 123871567163. The next prime is 123871567201. The reversal of 123871567168 is 861765178321.

It can be written as a sum of positive squares in only one way, i.e., 123853317184 + 18249984 = 351928^2 + 4272^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123871567163) 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 as a sum of consecutive naturals, namely, 967746555 + ... + 967746682.

It is an arithmetic number, because the mean of its divisors is an integer number (17557688659).

Almost surely, 2^123871567168 is an apocalyptic number.

It is an amenable number.

123871567168 is a deficient number, since it is larger than the sum of its proper divisors (121936074058).

123871567168 is an equidigital number, since it uses as much as digits as its factorization.

123871567168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935493249 (or 1935493239 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 55.

The spelling of 123871567168 in words is "one hundred twenty-three billion, eight hundred seventy-one million, five hundred sixty-seven thousand, one hundred sixty-eight".