723385 has 16 divisors (see below), whose sum is σ = 967680. Its totient is φ = 515520.

The previous prime is 723379. The next prime is 723391. The reversal of 723385 is 583327.

723385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

723385 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

It is an interprime number because it is at equal distance from previous prime (723379) and next prime (723391).

It is not a de Polignac number, because 723385 - 2⁵ = 723353 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1836 + ... + 2194.

It is an arithmetic number, because the mean of its divisors is an integer number (60480).

2⁷²³³⁸⁵ is an apocalyptic number.

It is an amenable number.

723385 is a deficient number, since it is larger than the sum of its proper divisors (244295).

723385 is a wasteful number, since it uses less digits than its factorization.

723385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408.

The product of its digits is 5040, while the sum is 28.

The square root of 723385 is about 850.5204289140. The cubic root of 723385 is about 89.7683342303.

The spelling of 723385 in words is "seven hundred twenty-three thousand, three hundred eighty-five".