723316 has 24 divisors (see below), whose sum is σ = 1463616. Its totient is φ = 309120.

The previous prime is 723293. The next prime is 723319. The reversal of 723316 is 613327.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265 + ... + 1231.

It is an arithmetic number, because the mean of its divisors is an integer number (60984).

2⁷²³³¹⁶ is an apocalyptic number.

It is an amenable number.

723316 is an abundant number, since it is smaller than the sum of its proper divisors (740300).

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

723316 is a wasteful number, since it uses less digits than its factorization.

723316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999 (or 997 counting only the distinct ones).

The product of its digits is 756, while the sum is 22.

The square root of 723316 is about 850.4798645471. The cubic root of 723316 is about 89.7654799586.

The spelling of 723316 in words is "seven hundred twenty-three thousand, three hundred sixteen".