523339 has 4 divisors (see below), whose sum is σ = 524824. Its totient is φ = 521856.

The previous prime is 523333. The next prime is 523349. The reversal of 523339 is 933325.

523339 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 523339 - 2⁵ = 523307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523333) 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 3 ways as a sum of consecutive naturals, for example, 124 + ... + 1030.

It is an arithmetic number, because the mean of its divisors is an integer number (131206).

2⁵²³³³⁹ is an apocalyptic number.

523339 is a deficient number, since it is larger than the sum of its proper divisors (1485).

523339 is an equidigital number, since it uses as much as digits as its factorization.

523339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484.

The product of its digits is 2430, while the sum is 25.

The square root of 523339 is about 723.4217303897. The cubic root of 523339 is about 80.5862660728.

The spelling of 523339 in words is "five hundred twenty-three thousand, three hundred thirty-nine".