43321343 has 4 divisors (see below), whose sum is σ = 46653768. Its totient is φ = 39988920.

The previous prime is 43321301. The next prime is 43321363. The reversal of 43321343 is 34312334.

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 43321343 - 2¹² = 43317247 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 (43321363) 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, 1666193 + ... + 1666218.

It is an arithmetic number, because the mean of its divisors is an integer number (11663442).

Almost surely, 2^43321343 is an apocalyptic number.

43321343 is a deficient number, since it is larger than the sum of its proper divisors (3332425).

43321343 is a wasteful number, since it uses less digits than its factorization.

43321343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3332424.

The product of its digits is 2592, while the sum is 23.

The square root of 43321343 is about 6581.8950918410. The cubic root of 43321343 is about 351.2103483986.

Adding to 43321343 its reverse (34312334), we get a palindrome (77633677).

Subtracting from 43321343 its reverse (34312334), we obtain a palindrome (9009009).

The spelling of 43321343 in words is "forty-three million, three hundred twenty-one thousand, three hundred forty-three".