68347223701 has 2 divisors, whose sum is σ = 68347223702. Its totient is φ = 68347223700.

The previous prime is 68347223699. The next prime is 68347223767. The reversal of 68347223701 is 10732274386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46883508676 + 21463715025 = 216526^2 + 146505^2 .

It is a cyclic number.

It is not a de Polignac number, because 68347223701 - 2¹ = 68347223699 is a prime.

It is a super-2 number, since 2×68347223701² (a number of 22 digits) contains 22 as substring.

Together with 68347223699, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68347223401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34173611850 + 34173611851.

It is an arithmetic number, because the mean of its divisors is an integer number (34173611851).

Almost surely, 2^68347223701 is an apocalyptic number.

It is an amenable number.

68347223701 is a deficient number, since it is larger than the sum of its proper divisors (1).

68347223701 is an equidigital number, since it uses as much as digits as its factorization.

68347223701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 43.

It can be divided in two parts, 683 and 47223701, that added together give a square (47224384 = 6872²).

The spelling of 68347223701 in words is "sixty-eight billion, three hundred forty-seven million, two hundred twenty-three thousand, seven hundred one".