68017757196023 has 4 divisors (see below), whose sum is σ = 68017797834048. Its totient is φ = 68017716558000.

The previous prime is 68017757196007. The next prime is 68017757196041. The reversal of 68017757196023 is 32069175771086.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68017757196023 - 2⁴ = 68017757196007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68017757190023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17695478 + ... + 21193523.

It is an arithmetic number, because the mean of its divisors is an integer number (17004449458512).

Almost surely, 2^{68017757196023} is an apocalyptic number.

68017757196023 is a deficient number, since it is larger than the sum of its proper divisors (40638025).

68017757196023 is a wasteful number, since it uses less digits than its factorization.

68017757196023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40638024.

The product of its (nonzero) digits is 26671680, while the sum is 62.

The spelling of 68017757196023 in words is "sixty-eight trillion, seventeen billion, seven hundred fifty-seven million, one hundred ninety-six thousand, twenty-three".