523930 has 24 divisors (see below), whose sum is σ = 1038996. Its totient is φ = 190080.

The previous prime is 523927. The next prime is 523937. The reversal of 523930 is 39325.

It can be written as a sum of positive squares in 2 ways, for example, as 480249 + 43681 = 693^2 + 209^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (523937) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 994 + ... + 1426.

2⁵²³⁹³⁰ is an apocalyptic number.

523930 is a deficient number, since it is larger than the sum of its proper divisors (515066).

523930 is a wasteful number, since it uses less digits than its factorization.

523930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 523930 is about 723.8300905599. The cubic root of 523930 is about 80.6165896722.

The spelling of 523930 in words is "five hundred twenty-three thousand, nine hundred thirty".