2840021835023 has 4 divisors (see below), whose sum is σ = 2840122569648. Its totient is φ = 2839921100400.

The previous prime is 2840021834987. The next prime is 2840021835059. The reversal of 2840021835023 is 3205381200482.

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

It is an interprime number because it is at equal distance from previous prime (2840021834987) and next prime (2840021835059).

It is a cyclic number.

It is not a de Polignac number, because 2840021835023 - 2¹⁸ = 2840021572879 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 (2840021835223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50325011 + ... + 50381412.

It is an arithmetic number, because the mean of its divisors is an integer number (710030642412).

Almost surely, 2^{2840021835023} is an apocalyptic number.

2840021835023 is a deficient number, since it is larger than the sum of its proper divisors (100734625).

2840021835023 is a wasteful number, since it uses less digits than its factorization.

2840021835023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100734624.

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 2840021835023 in words is "two trillion, eight hundred forty billion, twenty-one million, eight hundred thirty-five thousand, twenty-three".