423341223443 has 4 divisors (see below), whose sum is σ = 423352307280. Its totient is φ = 423330139608.

The previous prime is 423341223353. The next prime is 423341223457. The reversal of 423341223443 is 344322143324.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423341223443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423341223463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5484428 + ... + 5561081.

It is an arithmetic number, because the mean of its divisors is an integer number (105838076820).

Almost surely, 2^423341223443 is an apocalyptic number.

423341223443 is a deficient number, since it is larger than the sum of its proper divisors (11083837).

423341223443 is a wasteful number, since it uses less digits than its factorization.

423341223443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11083836.

The product of its digits is 165888, while the sum is 35.

Adding to 423341223443 its reverse (344322143324), we get a palindrome (767663366767).

The spelling of 423341223443 in words is "four hundred twenty-three billion, three hundred forty-one million, two hundred twenty-three thousand, four hundred forty-three".