433423243 has 4 divisors (see below), whose sum is σ = 472825368. Its totient is φ = 394021120.

The previous prime is 433423229. The next prime is 433423253. The reversal of 433423243 is 342324334.

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

It is a cyclic number.

It is not a de Polignac number, because 433423243 - 2²⁵ = 399868811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (433423223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19701046 + ... + 19701067.

It is an arithmetic number, because the mean of its divisors is an integer number (118206342).

Almost surely, 2^433423243 is an apocalyptic number.

433423243 is a deficient number, since it is larger than the sum of its proper divisors (39402125).

433423243 is a wasteful number, since it uses less digits than its factorization.

433423243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39402124.

The product of its digits is 20736, while the sum is 28.

The square root of 433423243 is about 20818.8194429944. The cubic root of 433423243 is about 756.7818929838.

Adding to 433423243 its reverse (342324334), we get a palindrome (775747577).

The spelling of 433423243 in words is "four hundred thirty-three million, four hundred twenty-three thousand, two hundred forty-three".