523363 has 4 divisors (see below), whose sum is σ = 541440. Its totient is φ = 505288.

The previous prime is 523357. The next prime is 523387. The reversal of 523363 is 363325.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523363 is a prime.

It is a Duffinian number.

523363 is a lucky number.

It is a zygodrome in base 2.

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, 8995 + ... + 9052.

It is an arithmetic number, because the mean of its divisors is an integer number (135360).

2⁵²³³⁶³ is an apocalyptic number.

523363 is a deficient number, since it is larger than the sum of its proper divisors (18077).

523363 is a wasteful number, since it uses less digits than its factorization.

523363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18076.

The product of its digits is 1620, while the sum is 22.

The square root of 523363 is about 723.4383180341. The cubic root of 523363 is about 80.5874979326.

Adding to 523363 its reverse (363325), we get a palindrome (886688).

The spelling of 523363 in words is "five hundred twenty-three thousand, three hundred sixty-three".