4002040024023 has 4 divisors (see below), whose sum is σ = 5336053365368. Its totient is φ = 2668026682680.

The previous prime is 4002040024001. The next prime is 4002040024039. The reversal of 4002040024023 is 3204200402004.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4002040024023 - 2⁵ = 4002040023991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002040024043) 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 3 ways as a sum of consecutive naturals, for example, 667006670668 + ... + 667006670673.

It is an arithmetic number, because the mean of its divisors is an integer number (1334013341342).

Almost surely, 2^{4002040024023} is an apocalyptic number.

4002040024023 is a deficient number, since it is larger than the sum of its proper divisors (1334013341345).

4002040024023 is a wasteful number, since it uses less digits than its factorization.

4002040024023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334013341344.

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 4002040024023 its reverse (3204200402004), we get a palindrome (7206240426027).

The spelling of 4002040024023 in words is "four trillion, two billion, forty million, twenty-four thousand, twenty-three".