723368 has 16 divisors (see below), whose sum is σ = 1428000. Its totient is φ = 342576.

The previous prime is 723361. The next prime is 723379. The reversal of 723368 is 863327.

It is a super-2 number, since 2×723368² = 1046522526848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 723368.

It is not an unprimeable number, because it can be changed into a prime (723361) by changing a digit.

723368 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2228 + ... + 2531.

It is an arithmetic number, because the mean of its divisors is an integer number (89250).

2⁷²³³⁶⁸ is an apocalyptic number.

It is an amenable number.

723368 is a deficient number, since it is larger than the sum of its proper divisors (704632).

723368 is a wasteful number, since it uses less digits than its factorization.

723368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4784 (or 4780 counting only the distinct ones).

The product of its digits is 6048, while the sum is 29.

The square root of 723368 is about 850.5104349742. The cubic root of 723368 is about 89.7676310208.

The spelling of 723368 in words is "seven hundred twenty-three thousand, three hundred sixty-eight".