423604239 has 8 divisors (see below), whose sum is σ = 565448832. Its totient is φ = 282081240.

The previous prime is 423604229. The next prime is 423604267. The reversal of 423604239 is 932406324.

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

It is not a de Polignac number, because 423604239 - 2¹¹ = 423602191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423604229) 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, 77307 + ... + 82604.

It is an arithmetic number, because the mean of its divisors is an integer number (70681104).

Almost surely, 2^423604239 is an apocalyptic number.

423604239 is a deficient number, since it is larger than the sum of its proper divisors (141844593).

423604239 is a wasteful number, since it uses less digits than its factorization.

423604239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160797.

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 423604239 is about 20581.6481118495. The cubic root of 423604239 is about 751.0233372949.

The spelling of 423604239 in words is "four hundred twenty-three million, six hundred four thousand, two hundred thirty-nine".