423633022 has 4 divisors (see below), whose sum is σ = 635449536. Its totient is φ = 211816510.

The previous prime is 423632999. The next prime is 423633061. The reversal of 423633022 is 220336324.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105908254 + ... + 105908257.

It is an arithmetic number, because the mean of its divisors is an integer number (158862384).

Almost surely, 2^423633022 is an apocalyptic number.

423633022 is a deficient number, since it is larger than the sum of its proper divisors (211816514).

423633022 is a wasteful number, since it uses less digits than its factorization.

423633022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211816513.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 423633022 is about 20582.3473394071. The cubic root of 423633022 is about 751.0403470516.

Adding to 423633022 its reverse (220336324), we get a palindrome (643969346).

The spelling of 423633022 in words is "four hundred twenty-three million, six hundred thirty-three thousand, twenty-two".