523542823 has 8 divisors (see below), whose sum is σ = 535112640. Its totient is φ = 511991040.

The previous prime is 523542763. The next prime is 523542841. The reversal of 523542823 is 328245325.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 523542823 - 2⁹ = 523542311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523542323) 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, 66243 + ... + 73723.

It is an arithmetic number, because the mean of its divisors is an integer number (66889080).

Almost surely, 2^523542823 is an apocalyptic number.

523542823 is a deficient number, since it is larger than the sum of its proper divisors (11569817).

523542823 is a wasteful number, since it uses less digits than its factorization.

523542823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9017.

The product of its digits is 57600, while the sum is 34.

The square root of 523542823 is about 22881.0581704606. The cubic root of 523542823 is about 805.9672659813.

The spelling of 523542823 in words is "five hundred twenty-three million, five hundred forty-two thousand, eight hundred twenty-three".