523421879 has 8 divisors (see below), whose sum is σ = 546594912. Its totient is φ = 500283520.

The previous prime is 523421839. The next prime is 523421881. The reversal of 523421879 is 978124325.

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 523421879 - 2⁸ = 523421623 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 (523421819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25019 + ... + 40899.

It is an arithmetic number, because the mean of its divisors is an integer number (68324364).

Almost surely, 2^523421879 is an apocalyptic number.

523421879 is a deficient number, since it is larger than the sum of its proper divisors (23173033).

523421879 is a wasteful number, since it uses less digits than its factorization.

523421879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17337.

The product of its digits is 120960, while the sum is 41.

The square root of 523421879 is about 22878.4151330463. The cubic root of 523421879 is about 805.9051988445.

The spelling of 523421879 in words is "five hundred twenty-three million, four hundred twenty-one thousand, eight hundred seventy-nine".