723004422 has 16 divisors (see below), whose sum is σ = 1652581632. Its totient is φ = 206572680.

The previous prime is 723004421. The next prime is 723004439. The reversal of 723004422 is 224400327.

It is a junction number, because it is equal to n+sod(n) for n = 723004392 and 723004401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723004421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8607154 + ... + 8607237.

It is an arithmetic number, because the mean of its divisors is an integer number (103286352).

Almost surely, 2^723004422 is an apocalyptic number.

723004422 is an abundant number, since it is smaller than the sum of its proper divisors (929577210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

723004422 is a wasteful number, since it uses less digits than its factorization.

723004422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17214403.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 723004422 is about 26888.7415473465. The cubic root of 723004422 is about 897.5258888206.

Adding to 723004422 its reverse (224400327), we get a palindrome (947404749).

The spelling of 723004422 in words is "seven hundred twenty-three million, four thousand, four hundred twenty-two".