43232001 has 16 divisors (see below), whose sum is σ = 58410240. Its totient is φ = 28440720.

The previous prime is 43231997. The next prime is 43232009. The reversal of 43232001 is 10023234.

It is not a de Polignac number, because 43232001 - 2² = 43231997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43232009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102970 + ... + 103388.

It is an arithmetic number, because the mean of its divisors is an integer number (3650640).

Almost surely, 2^43232001 is an apocalyptic number.

It is an amenable number.

43232001 is a deficient number, since it is larger than the sum of its proper divisors (15178239).

43232001 is a wasteful number, since it uses less digits than its factorization.

43232001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 43232001 is about 6575.1046379506. The cubic root of 43232001 is about 350.9687474711.

Adding to 43232001 its reverse (10023234), we get a palindrome (53255235).

The spelling of 43232001 in words is "forty-three million, two hundred thirty-two thousand, one".