68123988330570 has 384 divisors, whose sum is σ = 207023958086400. Its totient is φ = 16015886548992.

The previous prime is 68123988330557. The next prime is 68123988330623. The reversal of 68123988330570 is 7503388932186.

68123988330570 is a `hidden beast` number, since 6 + 8 + 1 + 23 + 9 + 8 + 8 + 3 + 30 + 570 = 666.

It is a super-3 number, since 3×68123988330570³ (a number of 42 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68123988330498 and 68123988330507.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 69367602 + ... + 70342818.

It is an arithmetic number, because the mean of its divisors is an integer number (539124890850).

Almost surely, 2^{68123988330570} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68123988330570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103511979043200).

68123988330570 is an abundant number, since it is smaller than the sum of its proper divisors (138899969755830).

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

68123988330570 is a wasteful number, since it uses less digits than its factorization.

68123988330570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975364 (or 975352 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 68123988330570 in words is "sixty-eight trillion, one hundred twenty-three billion, nine hundred eighty-eight million, three hundred thirty thousand, five hundred seventy".