423344422 has 4 divisors (see below), whose sum is σ = 635016636. Its totient is φ = 211672210.

The previous prime is 423344419. The next prime is 423344461. The reversal of 423344422 is 224443324.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 105836104 + ... + 105836107.

It is an arithmetic number, because the mean of its divisors is an integer number (158754159).

Almost surely, 2^423344422 is an apocalyptic number.

423344422 is a deficient number, since it is larger than the sum of its proper divisors (211672214).

423344422 is a wasteful number, since it uses less digits than its factorization.

423344422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211672213.

The product of its digits is 18432, while the sum is 28.

The square root of 423344422 is about 20575.3352828089. The cubic root of 423344422 is about 750.8697595604.

Adding to 423344422 its reverse (224443324), we get a palindrome (647787746).

The spelling of 423344422 in words is "four hundred twenty-three million, three hundred forty-four thousand, four hundred twenty-two".