723348289 has 2 divisors, whose sum is σ = 723348290. Its totient is φ = 723348288.

The previous prime is 723348277. The next prime is 723348323. The reversal of 723348289 is 982843327.

723348289 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., 369908289 + 353440000 = 19233^2 + 18800^2 .

It is an emirp because it is prime and its reverse (982843327) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 723348289 - 2⁵ = 723348257 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (723348209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361674144 + 361674145.

It is an arithmetic number, because the mean of its divisors is an integer number (361674145).

Almost surely, 2^723348289 is an apocalyptic number.

It is an amenable number.

723348289 is a deficient number, since it is larger than the sum of its proper divisors (1).

723348289 is an equidigital number, since it uses as much as digits as its factorization.

723348289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 46.

The square root of 723348289 is about 26895.1350433494. The cubic root of 723348289 is about 897.6681565622.

The spelling of 723348289 in words is "seven hundred twenty-three million, three hundred forty-eight thousand, two hundred eighty-nine".