523303 has 8 divisors (see below), whose sum is σ = 577296. Its totient is φ = 470400.

The previous prime is 523297. The next prime is 523307. The reversal of 523303 is 303325.

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 523303 - 2¹³ = 515111 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 (523307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1033 + ... + 1453.

It is an arithmetic number, because the mean of its divisors is an integer number (72162).

2⁵²³³⁰³ is an apocalyptic number.

523303 is a deficient number, since it is larger than the sum of its proper divisors (53993).

523303 is a wasteful number, since it uses less digits than its factorization.

523303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545.

The product of its (nonzero) digits is 270, while the sum is 16.

The square root of 523303 is about 723.3968482099. The cubic root of 523303 is about 80.5844182125.

Adding to 523303 its reverse (303325), we get a palindrome (826628).

The spelling of 523303 in words is "five hundred twenty-three thousand, three hundred three".