523080 has 48 divisors (see below), whose sum is σ = 1701180. Its totient is φ = 139392.

The previous prime is 523049. The next prime is 523093. The reversal of 523080 is 80325.

523080 = T₇₂ + T₇₃ + ... + T₁₅₁.

It can be written as a sum of positive squares in 2 ways, for example, as 492804 + 30276 = 702^2 + 174^2 .

It is a super-2 number, since 2×523080² = 547225372800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 367 + ... + 1086.

2⁵²³⁰⁸⁰ is an apocalyptic number.

It is an amenable number.

523080 is an abundant number, since it is smaller than the sum of its proper divisors (1178100).

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

523080 is a wasteful number, since it uses less digits than its factorization.

523080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470 (or 1463 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 523080 is about 723.2426978546. The cubic root of 523080 is about 80.5729698556.

The spelling of 523080 in words is "five hundred twenty-three thousand, eighty".