43423345 has 8 divisors (see below), whose sum is σ = 59552064. Its totient is φ = 29775984.

The previous prime is 43423337. The next prime is 43423349. The reversal of 43423345 is 54332434.

43423345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43423345 - 2³ = 43423337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43423349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620299 + ... + 620368.

It is an arithmetic number, because the mean of its divisors is an integer number (7444008).

Almost surely, 2^43423345 is an apocalyptic number.

It is an amenable number.

43423345 is a deficient number, since it is larger than the sum of its proper divisors (16128719).

43423345 is a wasteful number, since it uses less digits than its factorization.

43423345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240679.

The product of its digits is 17280, while the sum is 28.

The square root of 43423345 is about 6589.6392162242. The cubic root of 43423345 is about 351.4857790577.

Adding to 43423345 its reverse (54332434), we get a palindrome (97755779).

The spelling of 43423345 in words is "forty-three million, four hundred twenty-three thousand, three hundred forty-five".