723606361 has 2 divisors, whose sum is σ = 723606362. Its totient is φ = 723606360.

The previous prime is 723606353. The next prime is 723606409. The reversal of 723606361 is 163606327.

723606361 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., 688275225 + 35331136 = 26235^2 + 5944^2 .

It is an emirp because it is prime and its reverse (163606327) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 723606361 - 2³ = 723606353 is a prime.

It is not a weakly prime, because it can be changed into another prime (723606761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361803180 + 361803181.

It is an arithmetic number, because the mean of its divisors is an integer number (361803181).

Almost surely, 2^723606361 is an apocalyptic number.

It is an amenable number.

723606361 is a deficient number, since it is larger than the sum of its proper divisors (1).

723606361 is an equidigital number, since it uses as much as digits as its factorization.

723606361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 723606361 is about 26899.9323605098. The cubic root of 723606361 is about 897.7748988121.

Subtracting from 723606361 its sum of digits (34), we obtain a palindrome (723606327).

The spelling of 723606361 in words is "seven hundred twenty-three million, six hundred six thousand, three hundred sixty-one".