43423159 has 8 divisors (see below), whose sum is σ = 47759040. Its totient is φ = 39229536.

The previous prime is 43423153. The next prime is 43423181. The reversal of 43423159 is 95132434.

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

It is a cyclic number.

It is not a de Polignac number, because 43423159 - 2¹³ = 43414967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43423159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43423153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34924 + ... + 36145.

It is an arithmetic number, because the mean of its divisors is an integer number (5969880).

Almost surely, 2^43423159 is an apocalyptic number.

43423159 is a deficient number, since it is larger than the sum of its proper divisors (4335881).

43423159 is a wasteful number, since it uses less digits than its factorization.

43423159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71129.

The product of its digits is 12960, while the sum is 31.

The square root of 43423159 is about 6589.6251031451. The cubic root of 43423159 is about 351.4852772044.

The spelling of 43423159 in words is "forty-three million, four hundred twenty-three thousand, one hundred fifty-nine".