531824823 has 12 divisors (see below), whose sum is σ = 794681160. Its totient is φ = 342323856.

The previous prime is 531824807. The next prime is 531824831. The reversal of 531824823 is 328428135.

531824823 is a `hidden beast` number, since 531 + 82 + 48 + 2 + 3 = 666.

It is not a de Polignac number, because 531824823 - 2⁴ = 531824807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531824803) 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, 1018561 + ... + 1019082.

It is an arithmetic number, because the mean of its divisors is an integer number (66223430).

Almost surely, 2^531824823 is an apocalyptic number.

531824823 is a deficient number, since it is larger than the sum of its proper divisors (262856337).

531824823 is a wasteful number, since it uses less digits than its factorization.

531824823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037678 (or 2037675 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 531824823 is about 23061.3274336062. The cubic root of 531824823 is about 810.1949553595.

The spelling of 531824823 in words is "five hundred thirty-one million, eight hundred twenty-four thousand, eight hundred twenty-three".