43425223 has 4 divisors (see below), whose sum is σ = 43438408. Its totient is φ = 43412040.

The previous prime is 43425211. The next prime is 43425247. The reversal of 43425223 is 32252434.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43425223 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 (43425523) 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, 3040 + ... + 9802.

It is an arithmetic number, because the mean of its divisors is an integer number (10859602).

Almost surely, 2^43425223 is an apocalyptic number.

43425223 is a deficient number, since it is larger than the sum of its proper divisors (13185).

43425223 is an equidigital number, since it uses as much as digits as its factorization.

43425223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13184.

The product of its digits is 5760, while the sum is 25.

The square root of 43425223 is about 6589.7817111039. The cubic root of 43425223 is about 351.4908460770.

Adding to 43425223 its reverse (32252434), we get a palindrome (75677657).

The spelling of 43425223 in words is "forty-three million, four hundred twenty-five thousand, two hundred twenty-three".