423633426 has 8 divisors (see below), whose sum is σ = 847266864. Its totient is φ = 141211140.

The previous prime is 423633401. The next prime is 423633439. The reversal of 423633426 is 624336324.

It is a happy number.

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

423633426 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35302780 + ... + 35302791.

It is an arithmetic number, because the mean of its divisors is an integer number (105908358).

Almost surely, 2^423633426 is an apocalyptic number.

423633426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

423633426 is a wasteful number, since it uses less digits than its factorization.

423633426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70605576.

The product of its digits is 62208, while the sum is 33.

The square root of 423633426 is about 20582.3571536401. The cubic root of 423633426 is about 751.0405857961.

The spelling of 423633426 in words is "four hundred twenty-three million, six hundred thirty-three thousand, four hundred twenty-six".