423224401 has 4 divisors (see below), whose sum is σ = 448119972. Its totient is φ = 398328832.

The previous prime is 423224393. The next prime is 423224413. The reversal of 423224401 is 104422324.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 253573776 + 169650625 = 15924^2 + 13025^2 .

It is a cyclic number.

It is not a de Polignac number, because 423224401 - 2³ = 423224393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423224491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12447760 + ... + 12447793.

It is an arithmetic number, because the mean of its divisors is an integer number (112029993).

Almost surely, 2^423224401 is an apocalyptic number.

It is an amenable number.

423224401 is a deficient number, since it is larger than the sum of its proper divisors (24895571).

423224401 is a wasteful number, since it uses less digits than its factorization.

423224401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24895570.

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

The square root of 423224401 is about 20572.4184528703. The cubic root of 423224401 is about 750.7987939726.

Adding to 423224401 its reverse (104422324), we get a palindrome (527646725).

The spelling of 423224401 in words is "four hundred twenty-three million, two hundred twenty-four thousand, four hundred one".