523329 has 4 divisors (see below), whose sum is σ = 697776. Its totient is φ = 348884.

The previous prime is 523307. The next prime is 523333. The reversal of 523329 is 923325.

523329 is digitally balanced in base 7, 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 523329 - 2⁵ = 523297 is a prime.

It is a D-number.

523329 is strictly pandigital in base 7.

It is a Curzon number.

523329 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 523299 and 523308.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 523329.

It is not an unprimeable number, because it can be changed into a prime (523349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87219 + ... + 87224.

It is an arithmetic number, because the mean of its divisors is an integer number (174444).

2⁵²³³²⁹ is an apocalyptic number.

It is an amenable number.

523329 is a deficient number, since it is larger than the sum of its proper divisors (174447).

523329 is a wasteful number, since it uses less digits than its factorization.

523329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174446.

The product of its digits is 1620, while the sum is 24.

The square root of 523329 is about 723.4148187589. The cubic root of 523329 is about 80.5857527868.

The spelling of 523329 in words is "five hundred twenty-three thousand, three hundred twenty-nine".