68323127099 has 2 divisors, whose sum is σ = 68323127100. Its totient is φ = 68323127098.

The previous prime is 68323127023. The next prime is 68323127113. The reversal of 68323127099 is 99072132386.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68323127099 - 2³² = 64028159803 is a prime.

It is a super-2 number, since 2×68323127099² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (68323129099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34161563549 + 34161563550.

It is an arithmetic number, because the mean of its divisors is an integer number (34161563550).

Almost surely, 2^68323127099 is an apocalyptic number.

68323127099 is a deficient number, since it is larger than the sum of its proper divisors (1).

68323127099 is an equidigital number, since it uses as much as digits as its factorization.

68323127099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 50.

The spelling of 68323127099 in words is "sixty-eight billion, three hundred twenty-three million, one hundred twenty-seven thousand, ninety-nine".