123684068496 has 80 divisors (see below), whose sum is σ = 326329024320. Its totient is φ = 40355082240.

The previous prime is 123684068479. The next prime is 123684068503. The reversal of 123684068496 is 694860486321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 566136 + ... + 753576.

It is an arithmetic number, because the mean of its divisors is an integer number (4079112804).

Almost surely, 2^123684068496 is an apocalyptic number.

123684068496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123684068496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163164512160).

123684068496 is an abundant number, since it is smaller than the sum of its proper divisors (202644955824).

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

123684068496 is a wasteful number, since it uses less digits than its factorization.

123684068496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187744 (or 187738 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 57.

The spelling of 123684068496 in words is "one hundred twenty-three billion, six hundred eighty-four million, sixty-eight thousand, four hundred ninety-six".