723229 has 4 divisors (see below), whose sum is σ = 778876. Its totient is φ = 667584.

The previous prime is 723227. The next prime is 723257. The reversal of 723229 is 922327.

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

It can be written as a sum of positive squares in 2 ways, for example, as 91204 + 632025 = 302^2 + 795^2 .

It is a cyclic number.

It is not a de Polignac number, because 723229 - 2¹ = 723227 is a prime.

It is a d-powerful number, because it can be written as 7⁶ + 2⁹ + 2¹¹ + 3⁹ + 2¹⁹ + 9⁵ .

It is a Duffinian number.

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, 27804 + ... + 27829.

It is an arithmetic number, because the mean of its divisors is an integer number (194719).

2⁷²³²²⁹ is an apocalyptic number.

It is an amenable number.

723229 is a deficient number, since it is larger than the sum of its proper divisors (55647).

723229 is a wasteful number, since it uses less digits than its factorization.

723229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55646.

The product of its digits is 1512, while the sum is 25.

The square root of 723229 is about 850.4287154136. The cubic root of 723229 is about 89.7618808355.

The spelling of 723229 in words is "seven hundred twenty-three thousand, two hundred twenty-nine".