523168 has 12 divisors (see below), whose sum is σ = 1030050. Its totient is φ = 261568.

The previous prime is 523129. The next prime is 523169. The reversal of 523168 is 861325.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 501264 + 21904 = 708^2 + 148^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (523169) by changing a digit.

523168 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 as a sum of consecutive naturals, namely, 8143 + ... + 8206.

2⁵²³¹⁶⁸ is an apocalyptic number.

It is an amenable number.

523168 is a deficient number, since it is larger than the sum of its proper divisors (506882).

523168 is a wasteful number, since it uses less digits than its factorization.

523168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16359 (or 16351 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 523168 is about 723.3035324122. The cubic root of 523168 is about 80.5774879814.

The spelling of 523168 in words is "five hundred twenty-three thousand, one hundred sixty-eight".