43423701 has 16 divisors (see below), whose sum is σ = 62501760. Its totient is φ = 26734400.

The previous prime is 43423697. The next prime is 43423717. The reversal of 43423701 is 10732434.

It is a cyclic number.

It is not a de Polignac number, because 43423701 - 2² = 43423697 is a prime.

It is a Curzon number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43423741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8850 + ... + 12851.

It is an arithmetic number, because the mean of its divisors is an integer number (3906360).

Almost surely, 2^43423701 is an apocalyptic number.

It is an amenable number.

43423701 is a deficient number, since it is larger than the sum of its proper divisors (19078059).

43423701 is a wasteful number, since it uses less digits than its factorization.

43423701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21756.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 43423701 is about 6589.6662282698. Note that the first 3 decimals coincide. The cubic root of 43423701 is about 351.4867395901.

The spelling of 43423701 in words is "forty-three million, four hundred twenty-three thousand, seven hundred one".