43450343 has 4 divisors (see below), whose sum is σ = 43849080. Its totient is φ = 43051608.

The previous prime is 43450333. The next prime is 43450349. The reversal of 43450343 is 34305434.

It is a happy number.

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 43450343 - 2⁶ = 43450279 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43450349) 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, 199205 + ... + 199422.

It is an arithmetic number, because the mean of its divisors is an integer number (10962270).

Almost surely, 2^43450343 is an apocalyptic number.

43450343 is a deficient number, since it is larger than the sum of its proper divisors (398737).

43450343 is a wasteful number, since it uses less digits than its factorization.

43450343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398736.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 43450343 is about 6591.6874167394. The cubic root of 43450343 is about 351.5586081400.

Adding to 43450343 its reverse (34305434), we get a palindrome (77755777).

The spelling of 43450343 in words is "forty-three million, four hundred fifty thousand, three hundred forty-three".