43423713 has 12 divisors (see below), whose sum is σ = 63218688. Its totient is φ = 28720440.

The previous prime is 43423697. The next prime is 43423717. The reversal of 43423713 is 31732434.

It is not a de Polignac number, because 43423713 - 2⁴ = 43423697 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43423717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17853 + ... + 20138.

It is an arithmetic number, because the mean of its divisors is an integer number (5268224).

Almost surely, 2^43423713 is an apocalyptic number.

It is an amenable number.

43423713 is a deficient number, since it is larger than the sum of its proper divisors (19794975).

43423713 is a wasteful number, since it uses less digits than its factorization.

43423713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38124 (or 38121 counting only the distinct ones).

The product of its digits is 6048, while the sum is 27.

The square root of 43423713 is about 6589.6671387863. The cubic root of 43423713 is about 351.4867719676.

The spelling of 43423713 in words is "forty-three million, four hundred twenty-three thousand, seven hundred thirteen".