423214443 has 16 divisors (see below), whose sum is σ = 629684640. Its totient is φ = 280927872.

The previous prime is 423214391. The next prime is 423214483. The reversal of 423214443 is 344412324.

It is a happy number.

423214443 is a `hidden beast` number, since 4 + 2 + 3 + 214 + 443 = 666.

It is not a de Polignac number, because 423214443 - 2¹⁶ = 423148907 is a prime.

It is a super-2 number, since 2×423214443² = 358220929527600498, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (423214483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27346 + ... + 39927.

It is an arithmetic number, because the mean of its divisors is an integer number (39355290).

Almost surely, 2^423214443 is an apocalyptic number.

423214443 is a deficient number, since it is larger than the sum of its proper divisors (206470197).

423214443 is a wasteful number, since it uses less digits than its factorization.

423214443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67515 (or 67509 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 423214443 is about 20572.1764283704. The cubic root of 423214443 is about 750.7929054392.

Adding to 423214443 its reverse (344412324), we get a palindrome (767626767).

It can be divided in two parts, 42321 and 4443, that added together give a palindrome (46764).

The spelling of 423214443 in words is "four hundred twenty-three million, two hundred fourteen thousand, four hundred forty-three".