43424321001 has 16 divisors (see below), whose sum is σ = 60986346240. Its totient is φ = 27407918160.

The previous prime is 43424320969. The next prime is 43424321009. The reversal of 43424321001 is 10012342434.

It is not a de Polignac number, because 43424321001 - 2⁵ = 43424320969 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43424321009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161535 + ... + 336068.

It is an arithmetic number, because the mean of its divisors is an integer number (3811646640).

Almost surely, 2^43424321001 is an apocalyptic number.

It is an amenable number.

43424321001 is a deficient number, since it is larger than the sum of its proper divisors (17562025239).

43424321001 is a wasteful number, since it uses less digits than its factorization.

43424321001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499156.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 43424321001 its reverse (10012342434), we get a palindrome (53436663435).

The spelling of 43424321001 in words is "forty-three billion, four hundred twenty-four million, three hundred twenty-one thousand, one".