123708005568 has 560 divisors, whose sum is σ = 447526379520. Its totient is φ = 32983179264.

The previous prime is 123708005537. The next prime is 123708005627. The reversal of 123708005568 is 865500807321.

123708005568 is a `hidden beast` number, since 1 + 2 + 3 + 7 + 0 + 80 + 0 + 5 + 568 = 666.

It is a super-2 number, since 2×123708005568² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 in 79 ways as a sum of consecutive naturals, for example, 78345003 + ... + 78346581.

Almost surely, 2^123708005568 is an apocalyptic number.

123708005568 is a gapful number since it is divisible by the number (18) 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 123708005568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223763189760).

123708005568 is an abundant number, since it is smaller than the sum of its proper divisors (323818373952).

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

123708005568 is a wasteful number, since it uses less digits than its factorization.

123708005568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754 (or 1735 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 123708005568 in words is "one hundred twenty-three billion, seven hundred eight million, five thousand, five hundred sixty-eight".