4001232443 has 16 divisors (see below), whose sum is σ = 4363519776. Its totient is φ = 3646909440.

The previous prime is 4001232437. The next prime is 4001232461. The reversal of 4001232443 is 3442321004.

It is a cyclic number.

It is not a de Polignac number, because 4001232443 - 2⁴ = 4001232427 is a prime.

It is a super-2 number, since 2×4001232443² = 32019722125831496498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4001232643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577880 + ... + 584762.

It is an arithmetic number, because the mean of its divisors is an integer number (272719986).

Almost surely, 2^4001232443 is an apocalyptic number.

4001232443 is a deficient number, since it is larger than the sum of its proper divisors (362287333).

4001232443 is a wasteful number, since it uses less digits than its factorization.

4001232443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7454.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 4001232443 is about 63255.2957703938. The cubic root of 4001232443 is about 1587.5640670033.

Adding to 4001232443 its reverse (3442321004), we get a palindrome (7443553447).

The spelling of 4001232443 in words is "four billion, one million, two hundred thirty-two thousand, four hundred forty-three".