423242404 has 96 divisors (see below), whose sum is σ = 900910080. Its totient is φ = 171859968.

The previous prime is 423242399. The next prime is 423242429. The reversal of 423242404 is 404242324.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1897837 + ... + 1898059.

It is an arithmetic number, because the mean of its divisors is an integer number (9384480).

Almost surely, 2^423242404 is an apocalyptic number.

It is an amenable number.

423242404 is an abundant number, since it is smaller than the sum of its proper divisors (477667676).

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

423242404 is a wasteful number, since it uses less digits than its factorization.

423242404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 423242404 is about 20572.8560000793. The cubic root of 423242404 is about 750.8094395773.

Adding to 423242404 its reverse (404242324), we get a palindrome (827484728).

The spelling of 423242404 in words is "four hundred twenty-three million, two hundred forty-two thousand, four hundred four".