723223 has 4 divisors (see below), whose sum is σ = 728640. Its totient is φ = 717808.

The previous prime is 723221. The next prime is 723227. The reversal of 723223 is 322327.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 723223 - 2¹ = 723221 is a prime.

It is a d-powerful number, because it can be written as 7² + 2³ + 2¹¹ + 3⁹ + 2¹⁹ + 3¹¹ .

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 723223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723221) 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, 2503 + ... + 2776.

It is an arithmetic number, because the mean of its divisors is an integer number (182160).

2⁷²³²²³ is an apocalyptic number.

723223 is a deficient number, since it is larger than the sum of its proper divisors (5417).

723223 is a wasteful number, since it uses less digits than its factorization.

723223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5416.

The product of its digits is 504, while the sum is 19.

The square root of 723223 is about 850.4251877737. The cubic root of 723223 is about 89.7616326095.

It can be divided in two parts, 723 and 223, that added together give a triangular number (946 = T₄₃).

The spelling of 723223 in words is "seven hundred twenty-three thousand, two hundred twenty-three", and thus it is an iban number.