423228343 has 4 divisors (see below), whose sum is σ = 423488520. Its totient is φ = 422968168.

The previous prime is 423228329. The next prime is 423228367. The reversal of 423228343 is 343822324.

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-423228343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423228383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127633 + ... + 130906.

It is an arithmetic number, because the mean of its divisors is an integer number (105872130).

Almost surely, 2^423228343 is an apocalyptic number.

423228343 is a deficient number, since it is larger than the sum of its proper divisors (260177).

423228343 is a wasteful number, since it uses less digits than its factorization.

423228343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260176.

The product of its digits is 27648, while the sum is 31.

The square root of 423228343 is about 20572.5142605370. The cubic root of 423228343 is about 750.8011249973.

The spelling of 423228343 in words is "four hundred twenty-three million, two hundred twenty-eight thousand, three hundred forty-three".