2021002023 has 4 divisors (see below), whose sum is σ = 2694669368. Its totient is φ = 1347334680.

The previous prime is 2021001977. The next prime is 2021002031. The reversal of 2021002023 is 3202001202.

2021002023 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2021002023 - 2⁶ = 2021001959 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 (2021002043) 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, 336833668 + ... + 336833673.

It is an arithmetic number, because the mean of its divisors is an integer number (673667342).

Almost surely, 2^2021002023 is an apocalyptic number.

2021002023 is a deficient number, since it is larger than the sum of its proper divisors (673667345).

2021002023 is an equidigital number, since it uses as much as digits as its factorization.

2021002023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673667344.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2021002023 is about 44955.5560859834. The cubic root of 2021002023 is about 1264.3158507985.

Adding to 2021002023 its reverse (3202001202), we get a palindrome (5223003225).

The spelling of 2021002023 in words is "two billion, twenty-one million, two thousand, twenty-three".