523243 has 8 divisors (see below), whose sum is σ = 633312. Its totient is φ = 422016.

The previous prime is 523219. The next prime is 523261. The reversal of 523243 is 342325.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-523243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 523243.

It is not an unprimeable number, because it can be changed into a prime (523213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2080 + ... + 2317.

It is an arithmetic number, because the mean of its divisors is an integer number (79164).

2⁵²³²⁴³ is an apocalyptic number.

523243 is a deficient number, since it is larger than the sum of its proper divisors (110069).

523243 is a wasteful number, since it uses less digits than its factorization.

523243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4421.

The product of its digits is 720, while the sum is 19.

The square root of 523243 is about 723.3553760082. The cubic root of 523243 is about 80.5813382570.

Adding to 523243 its reverse (342325), we get a palindrome (865568).

The spelling of 523243 in words is "five hundred twenty-three thousand, two hundred forty-three".