724323 has 4 divisors (see below), whose sum is σ = 965768. Its totient is φ = 482880.

The previous prime is 724313. The next prime is 724331. The reversal of 724323 is 323427.

It is a happy number.

724323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 724323 - 2⁵ = 724291 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 724323.

It is not an unprimeable number, because it can be changed into a prime (724303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120718 + ... + 120723.

It is an arithmetic number, because the mean of its divisors is an integer number (241442).

2⁷²⁴³²³ is an apocalyptic number.

724323 is a deficient number, since it is larger than the sum of its proper divisors (241445).

724323 is a wasteful number, since it uses less digits than its factorization.

724323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241444.

The product of its digits is 1008, while the sum is 21.

The square root of 724323 is about 851.0716773574. The cubic root of 724323 is about 89.8071177867.

The spelling of 724323 in words is "seven hundred twenty-four thousand, three hundred twenty-three", and thus it is an iban number.