423879 has 8 divisors (see below), whose sum is σ = 568560. Its totient is φ = 280896.

The previous prime is 423869. The next prime is 423883. The reversal of 423879 is 978324.

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

It is not a de Polignac number, because 423879 - 2⁵ = 423847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423859) 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 in 7 ways as a sum of consecutive naturals, for example, 379 + ... + 995.

It is an arithmetic number, because the mean of its divisors is an integer number (71070).

2⁴²³⁸⁷⁹ is an apocalyptic number.

423879 is a deficient number, since it is larger than the sum of its proper divisors (144681).

423879 is a wasteful number, since it uses less digits than its factorization.

423879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849.

The product of its digits is 12096, while the sum is 33.

The square root of 423879 is about 651.0599050779. The cubic root of 423879 is about 75.1185680118.

The spelling of 423879 in words is "four hundred twenty-three thousand, eight hundred seventy-nine".