523230 has 32 divisors (see below), whose sum is σ = 1275264. Its totient is φ = 137376.

The previous prime is 523219. The next prime is 523261. The reversal of 523230 is 32325.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

523230 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3129 + ... + 3291.

It is an arithmetic number, because the mean of its divisors is an integer number (39852).

2⁵²³²³⁰ is an apocalyptic number.

523230 is an abundant number, since it is smaller than the sum of its proper divisors (752034).

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

523230 is a wasteful number, since it uses less digits than its factorization.

523230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280.

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 523230 is about 723.3463900511. The cubic root of 523230 is about 80.5806709022.

Adding to 523230 its reverse (32325), we get a palindrome (555555).

The spelling of 523230 in words is "five hundred twenty-three thousand, two hundred thirty".