723316450 has 12 divisors (see below), whose sum is σ = 1345368690. Its totient is φ = 289326560.

The previous prime is 723316421. The next prime is 723316457. The reversal of 723316450 is 54613327.

It can be written as a sum of positive squares in 3 ways, for example, as 415629769 + 307686681 = 20387^2 + 17541^2 .

It is not an unprimeable number, because it can be changed into a prime (723316457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7233115 + ... + 7233214.

Almost surely, 2^723316450 is an apocalyptic number.

723316450 is a deficient number, since it is larger than the sum of its proper divisors (622052240).

723316450 is a wasteful number, since it uses less digits than its factorization.

723316450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14466341 (or 14466336 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 723316450 is about 26894.5431268129. The cubic root of 723316450 is about 897.6549857397.

Adding to 723316450 its reverse (54613327), we get a palindrome (777929777).

The spelling of 723316450 in words is "seven hundred twenty-three million, three hundred sixteen thousand, four hundred fifty".