523340 has 24 divisors (see below), whose sum is σ = 1112832. Its totient is φ = 206720.

The previous prime is 523333. The next prime is 523349. The reversal of 523340 is 43325.

It is not an unprimeable number, because it can be changed into a prime (523349) 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, 2645 + ... + 2835.

It is an arithmetic number, because the mean of its divisors is an integer number (46368).

2⁵²³³⁴⁰ is an apocalyptic number.

It is an amenable number.

523340 is an abundant number, since it is smaller than the sum of its proper divisors (589492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

523340 is a wasteful number, since it uses less digits than its factorization.

523340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 335 counting only the distinct ones).

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

The square root of 523340 is about 723.4224215491. The cubic root of 523340 is about 80.5863174010.

Adding to 523340 its reverse (43325), we get a palindrome (566665).

The spelling of 523340 in words is "five hundred twenty-three thousand, three hundred forty".