68023315089726 has 32 divisors (see below), whose sum is σ = 139817403993120. Its totient is φ = 22046799200256.

The previous prime is 68023315089703. The next prime is 68023315089757. The reversal of 68023315089726 is 62798051332086.

It is a super-2 number, since 2×68023315089726² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68023315089726.

It is a congruent number.

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, 102561091 + ... + 103222206.

It is an arithmetic number, because the mean of its divisors is an integer number (4369293874785).

Almost surely, 2^{68023315089726} is an apocalyptic number.

68023315089726 is an abundant number, since it is smaller than the sum of its proper divisors (71794088903394).

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

68023315089726 is a wasteful number, since it uses less digits than its factorization.

68023315089726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205784828.

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 68023315089726 in words is "sixty-eight trillion, twenty-three billion, three hundred fifteen million, eighty-nine thousand, seven hundred twenty-six".