2021132023 has 32 divisors (see below), whose sum is σ = 2264371200. Its totient is φ = 1795722240.

The previous prime is 2021131999. The next prime is 2021132041. The reversal of 2021132023 is 3202311202.

2021132023 = 27² + 28² + ... + 1823².

It is not a de Polignac number, because 2021132023 - 2²⁹ = 1484261111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2021131988 and 2021132006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021132063) 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 31 ways as a sum of consecutive naturals, for example, 3373878 + ... + 3374476.

It is an arithmetic number, because the mean of its divisors is an integer number (70761600).

Almost surely, 2^2021132023 is an apocalyptic number.

2021132023 is a deficient number, since it is larger than the sum of its proper divisors (243239177).

2021132023 is a wasteful number, since it uses less digits than its factorization.

2021132023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2021132023 is about 44957.0019351825. The cubic root of 2021132023 is about 1264.3429590571.

Adding to 2021132023 its reverse (3202311202), we get a palindrome (5223443225).

The spelling of 2021132023 in words is "two billion, twenty-one million, one hundred thirty-two thousand, twenty-three".