2021323020223 has 24 divisors (see below), whose sum is σ = 2329766512416. Its totient is φ = 1742738155200.

The previous prime is 2021323020203. The next prime is 2021323020239. The reversal of 2021323020223 is 3220203231202.

It is not a de Polignac number, because 2021323020223 - 2¹⁷ = 2021322889151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2021323020194 and 2021323020203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021323020203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2699968 + ... + 3366373.

It is an arithmetic number, because the mean of its divisors is an integer number (97073604684).

Almost surely, 2^{2021323020223} is an apocalyptic number.

2021323020223 is a deficient number, since it is larger than the sum of its proper divisors (308443492193).

2021323020223 is a wasteful number, since it uses less digits than its factorization.

2021323020223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6066463 (or 6066444 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 2021323020223 its reverse (3220203231202), we get a palindrome (5241526251425).

The spelling of 2021323020223 in words is "two trillion, twenty-one billion, three hundred twenty-three million, twenty thousand, two hundred twenty-three".