423401224 has 24 divisors (see below), whose sum is σ = 820327230. Its totient is φ = 204867840.

The previous prime is 423401221. The next prime is 423401233. The reversal of 423401224 is 422104324.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 261857124 + 161544100 = 16182^2 + 12710^2 .

It is a junction number, because it is equal to n+sod(n) for n = 423401195 and 423401204.

It is not an unprimeable number, because it can be changed into a prime (423401221) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 19849 + ... + 35224.

Almost surely, 2^423401224 is an apocalyptic number.

It is an amenable number.

423401224 is a deficient number, since it is larger than the sum of its proper divisors (396926006).

423401224 is a wasteful number, since it uses less digits than its factorization.

423401224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55141 (or 55106 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 423401224 is about 20576.7155785368. The cubic root of 423401224 is about 750.9033405680.

Adding to 423401224 its reverse (422104324), we get a palindrome (845505548).

The spelling of 423401224 in words is "four hundred twenty-three million, four hundred one thousand, two hundred twenty-four".