523384 has 8 divisors (see below), whose sum is σ = 981360. Its totient is φ = 261688.

The previous prime is 523357. The next prime is 523387. The reversal of 523384 is 483325.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×523384² = 547861622912, which contains 22 as substring.

It is an Ulam number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32704 + ... + 32719.

It is an arithmetic number, because the mean of its divisors is an integer number (122670).

2⁵²³³⁸⁴ is an apocalyptic number.

It is an amenable number.

523384 is a deficient number, since it is larger than the sum of its proper divisors (457976).

523384 is a wasteful number, since it uses less digits than its factorization.

523384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65429 (or 65425 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 523384 is about 723.4528319110. The cubic root of 523384 is about 80.5885757790.

The spelling of 523384 in words is "five hundred twenty-three thousand, three hundred eighty-four".