4001023113 has 8 divisors (see below), whose sum is σ = 5376703488. Its totient is φ = 2646345744.

The previous prime is 4001023093. The next prime is 4001023127. The reversal of 4001023113 is 3113201004.

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

It is not a de Polignac number, because 4001023113 - 2¹⁰ = 4001022089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4001023092 and 4001023101.

It is not an unprimeable number, because it can be changed into a prime (4001023163) 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 7 ways as a sum of consecutive naturals, for example, 5250306 + ... + 5251067.

It is an arithmetic number, because the mean of its divisors is an integer number (672087936).

Almost surely, 2^4001023113 is an apocalyptic number.

It is an amenable number.

4001023113 is a deficient number, since it is larger than the sum of its proper divisors (1375680375).

4001023113 is a wasteful number, since it uses less digits than its factorization.

4001023113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10501503.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 4001023113 is about 63253.6411046827. The cubic root of 4001023113 is about 1587.5363813185.

Adding to 4001023113 its reverse (3113201004), we get a palindrome (7114224117).

The spelling of 4001023113 in words is "four billion, one million, twenty-three thousand, one hundred thirteen".