123828734689848 has 48 divisors (see below), whose sum is σ = 335417271391800. Its totient is φ = 41270364083520.

The previous prime is 123828734689843. The next prime is 123828734690047. The reversal of 123828734689848 is 848986437828321.

123828734689848 is a `hidden beast` number, since 1 + 2 + 3 + 8 + 2 + 8 + 73 + 468 + 9 + 84 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123828734689843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122008063 + ... + 123018798.

Almost surely, 2^{123828734689848} is an apocalyptic number.

123828734689848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

123828734689848 is an abundant number, since it is smaller than the sum of its proper divisors (211588536701952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123828734689848 is a wasteful number, since it uses less digits than its factorization.

123828734689848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245033892 (or 245033885 counting only the distinct ones).

The product of its digits is 7134511104, while the sum is 81.

The spelling of 123828734689848 in words is "one hundred twenty-three trillion, eight hundred twenty-eight billion, seven hundred thirty-four million, six hundred eighty-nine thousand, eight hundred forty-eight".