523580 has 24 divisors (see below), whose sum is σ = 1124928. Its totient is φ = 204608.

The previous prime is 523577. The next prime is 523597. The reversal of 523580 is 85325.

523580 = T₅₅ + T₅₆ + ... + T₁₄₈.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662 + ... + 1218.

It is an arithmetic number, because the mean of its divisors is an integer number (46872).

2⁵²³⁵⁸⁰ is an apocalyptic number.

It is an amenable number.

523580 is an abundant number, since it is smaller than the sum of its proper divisors (601348).

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

523580 is a wasteful number, since it uses less digits than its factorization.

523580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613 (or 611 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 523580 is about 723.5882807232. The cubic root of 523580 is about 80.5986342890.

The spelling of 523580 in words is "five hundred twenty-three thousand, five hundred eighty".