523670 has 16 divisors (see below), whose sum is σ = 1077408. Its totient is φ = 179520.

The previous prime is 523669. The next prime is 523673. The reversal of 523670 is 76325.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3671 + ... + 3810.

It is an arithmetic number, because the mean of its divisors is an integer number (67338).

2⁵²³⁶⁷⁰ is an apocalyptic number.

523670 is an abundant number, since it is smaller than the sum of its proper divisors (553738).

It is a weird number, because it is abundant, but not a pseudoperfect number.

523670 is a wasteful number, since it uses less digits than its factorization.

523670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7495.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 523670 is about 723.6504681129. The cubic root of 523670 is about 80.6032521516.

Adding to 523670 its reverse (76325), we get a palindrome (599995).

The spelling of 523670 in words is "five hundred twenty-three thousand, six hundred seventy".