423322443 has 10 divisors (see below), whose sum is σ = 632370684. Its totient is φ = 282214908.

The previous prime is 423322381. The next prime is 423322469. The reversal of 423322443 is 344223324.

It is not a de Polignac number, because 423322443 - 2⁶ = 423322379 is a prime.

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 (423322243) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2613021 + ... + 2613182.

Almost surely, 2^423322443 is an apocalyptic number.

423322443 is a deficient number, since it is larger than the sum of its proper divisors (209048241).

423322443 is an equidigital number, since it uses as much as digits as its factorization.

423322443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5226215 (or 5226206 counting only the distinct ones).

The product of its digits is 13824, while the sum is 27.

The square root of 423322443 is about 20574.8011655034. The cubic root of 423322443 is about 750.8567648992.

Adding to 423322443 its reverse (344223324), we get a palindrome (767545767).

The spelling of 423322443 in words is "four hundred twenty-three million, three hundred twenty-two thousand, four hundred forty-three".