423505242 has 24 divisors (see below), whose sum is σ = 925719444. Its totient is φ = 139918464.

The previous prime is 423505217. The next prime is 423505253. The reversal of 423505242 is 242505324.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 374770881 + 48734361 = 19359^2 + 6981^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102073 + ... + 106140.

Almost surely, 2^423505242 is an apocalyptic number.

423505242 is an abundant number, since it is smaller than the sum of its proper divisors (502214202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423505242 is a wasteful number, since it uses less digits than its factorization.

423505242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208334 (or 208331 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 423505242 is about 20579.2429889926. The cubic root of 423505242 is about 750.9648276113.

The spelling of 423505242 in words is "four hundred twenty-three million, five hundred five thousand, two hundred forty-two".