423224421 has 8 divisors (see below), whose sum is σ = 564447744. Its totient is φ = 282075360.

The previous prime is 423224413. The next prime is 423224423. The reversal of 423224421 is 124422324.

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

It is not a de Polignac number, because 423224421 - 2³ = 423224413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423224391 and 423224400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423224423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3525 + ... + 29306.

It is an arithmetic number, because the mean of its divisors is an integer number (70555968).

Almost surely, 2^423224421 is an apocalyptic number.

It is an amenable number.

423224421 is a deficient number, since it is larger than the sum of its proper divisors (141223323).

423224421 is a wasteful number, since it uses less digits than its factorization.

423224421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37131.

The product of its digits is 3072, while the sum is 24.

The square root of 423224421 is about 20572.4189389581. The cubic root of 423224421 is about 750.7988057992.

Adding to 423224421 its reverse (124422324), we get a palindrome (547646745).

The spelling of 423224421 in words is "four hundred twenty-three million, two hundred twenty-four thousand, four hundred twenty-one".