4001233243 has 16 divisors (see below), whose sum is σ = 4703512320. Its totient is φ = 3331902816.

The previous prime is 4001233217. The next prime is 4001233259. The reversal of 4001233243 is 3423321004.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4001233243 - 2¹³ = 4001225051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4001233043) 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, 165588 + ... + 188206.

It is an arithmetic number, because the mean of its divisors is an integer number (293969520).

Almost surely, 2^4001233243 is an apocalyptic number.

4001233243 is a deficient number, since it is larger than the sum of its proper divisors (702279077).

4001233243 is a wasteful number, since it uses less digits than its factorization.

4001233243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23346.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 4001233243 is about 63255.3020939747. The cubic root of 4001233243 is about 1587.5641728083.

Adding to 4001233243 its reverse (3423321004), we get a palindrome (7424554247).

The spelling of 4001233243 in words is "four billion, one million, two hundred thirty-three thousand, two hundred forty-three".