523043 has 4 divisors (see below), whose sum is σ = 545808. Its totient is φ = 500280.

The previous prime is 523031. The next prime is 523049. The reversal of 523043 is 340325.

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

It is a cyclic number.

It is not a de Polignac number, because 523043 - 2⁸ = 522787 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 523043.

It is not an unprimeable number, because it can be changed into a prime (523049) 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, 11348 + ... + 11393.

It is an arithmetic number, because the mean of its divisors is an integer number (136452).

2⁵²³⁰⁴³ is an apocalyptic number.

523043 is a deficient number, since it is larger than the sum of its proper divisors (22765).

523043 is a wasteful number, since it uses less digits than its factorization.

523043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22764.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 523043 is about 723.2171181602. The cubic root of 523043 is about 80.5710700378.

Adding to 523043 its reverse (340325), we get a palindrome (863368).

The spelling of 523043 in words is "five hundred twenty-three thousand, forty-three".