723471641007361 has 2 divisors, whose sum is σ = 723471641007362. Its totient is φ = 723471641007360.

The previous prime is 723471641007343. The next prime is 723471641007389. The reversal of 723471641007361 is 163700146174327.

723471641007361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 674990277330625 + 48481363676736 = 25980575^2 + 6962856^2 .

It is a cyclic number.

It is not a de Polignac number, because 723471641007361 - 2¹³ = 723471640999169 is a prime.

It is a super-2 number, since 2×723471641007361² (a number of 31 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 723471641007299 and 723471641007308.

It is not a weakly prime, because it can be changed into another prime (723471641002361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361735820503680 + 361735820503681.

It is an arithmetic number, because the mean of its divisors is an integer number (361735820503681).

Almost surely, 2^{723471641007361} is an apocalyptic number.

It is an amenable number.

723471641007361 is a deficient number, since it is larger than the sum of its proper divisors (1).

723471641007361 is an equidigital number, since it uses as much as digits as its factorization.

723471641007361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3556224, while the sum is 52.

The spelling of 723471641007361 in words is "seven hundred twenty-three trillion, four hundred seventy-one billion, six hundred forty-one million, seven thousand, three hundred sixty-one".