4004243123243 has 8 divisors (see below), whose sum is σ = 4368282632256. Its totient is φ = 3640206515400.

The previous prime is 4004243123213. The next prime is 4004243123249. The reversal of 4004243123243 is 3423213424004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4004243123243 - 2¹⁴ = 4004243106859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4004243123249) 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 7 ways as a sum of consecutive naturals, for example, 2986580 + ... + 4114382.

It is an arithmetic number, because the mean of its divisors is an integer number (546035329032).

Almost surely, 2^{4004243123243} is an apocalyptic number.

4004243123243 is a deficient number, since it is larger than the sum of its proper divisors (364039509013).

4004243123243 is a wasteful number, since it uses less digits than its factorization.

4004243123243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450585.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 4004243123243 its reverse (3423213424004), we get a palindrome (7427456547247).

The spelling of 4004243123243 in words is "four trillion, four billion, two hundred forty-three million, one hundred twenty-three thousand, two hundred forty-three".