423579 has 8 divisors (see below), whose sum is σ = 608272. Its totient is φ = 260640.

The previous prime is 423559. The next prime is 423581. The reversal of 423579 is 975324.

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

It is not a de Polignac number, because 423579 - 2⁵ = 423547 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 (423509) 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, 5392 + ... + 5469.

It is an arithmetic number, because the mean of its divisors is an integer number (76034).

2⁴²³⁵⁷⁹ is an apocalyptic number.

423579 is a deficient number, since it is larger than the sum of its proper divisors (184693).

423579 is a wasteful number, since it uses less digits than its factorization.

423579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10877.

The product of its digits is 7560, while the sum is 30.

The square root of 423579 is about 650.8294707525. The cubic root of 423579 is about 75.1008421285.

The spelling of 423579 in words is "four hundred twenty-three thousand, five hundred seventy-nine".