43928423 has 8 divisors (see below), whose sum is σ = 54768000. Its totient is φ = 34229880.

The previous prime is 43928419. The next prime is 43928429. The reversal of 43928423 is 32482934.

It is a happy number.

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 43928423 - 2² = 43928419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43928429) 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, 285173 + ... + 285326.

It is an arithmetic number, because the mean of its divisors is an integer number (6846000).

Almost surely, 2^43928423 is an apocalyptic number.

43928423 is a deficient number, since it is larger than the sum of its proper divisors (10839577).

43928423 is a wasteful number, since it uses less digits than its factorization.

43928423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570517.

The product of its digits is 41472, while the sum is 35.

The square root of 43928423 is about 6627.8520653376. The cubic root of 43928423 is about 352.8432964956.

The spelling of 43928423 in words is "forty-three million, nine hundred twenty-eight thousand, four hundred twenty-three".