723316426 has 16 divisors (see below), whose sum is σ = 1243725120. Its totient is φ = 309054240.

The previous prime is 723316421. The next prime is 723316457. The reversal of 723316426 is 624613327.

It is a junction number, because it is equal to n+sod(n) for n = 723316391 and 723316400.

It is not an unprimeable number, because it can be changed into a prime (723316421) 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 7 ways as a sum of consecutive naturals, for example, 73411 + ... + 82678.

It is an arithmetic number, because the mean of its divisors is an integer number (77732820).

Almost surely, 2^723316426 is an apocalyptic number.

723316426 is a deficient number, since it is larger than the sum of its proper divisors (520408694).

723316426 is a wasteful number, since it uses less digits than its factorization.

723316426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156429.

The product of its digits is 36288, while the sum is 34.

The square root of 723316426 is about 26894.5426806257. The cubic root of 723316426 is about 897.6549758114.

The spelling of 723316426 in words is "seven hundred twenty-three million, three hundred sixteen thousand, four hundred twenty-six".