723469189 has 8 divisors (see below), whose sum is σ = 729522648. Its totient is φ = 717427200.

The previous prime is 723469183. The next prime is 723469247. The reversal of 723469189 is 981964327.

723469189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2117025 + 721352164 = 1455^2 + 26858^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 723469189 - 2⁵ = 723469157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723469183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162339 + ... + 166735.

It is an arithmetic number, because the mean of its divisors is an integer number (91190331).

Almost surely, 2^723469189 is an apocalyptic number.

It is an amenable number.

723469189 is a deficient number, since it is larger than the sum of its proper divisors (6053459).

723469189 is a wasteful number, since it uses less digits than its factorization.

723469189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5735.

The product of its digits is 653184, while the sum is 49.

The square root of 723469189 is about 26897.3825678262. The cubic root of 723469189 is about 897.7181656822.

The spelling of 723469189 in words is "seven hundred twenty-three million, four hundred sixty-nine thousand, one hundred eighty-nine".