2021203020323 has 8 divisors (see below), whose sum is σ = 2056314786240. Its totient is φ = 1986155038080.

The previous prime is 2021203020293. The next prime is 2021203020337. The reversal of 2021203020323 is 3230203021202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2021203020323 - 2³⁶ = 1952483543587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2021203020295 and 2021203020304.

It is not an unprimeable number, because it can be changed into a prime (2021203020523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15881990 + ... + 16008747.

It is an arithmetic number, because the mean of its divisors is an integer number (257039348280).

Almost surely, 2^{2021203020323} is an apocalyptic number.

2021203020323 is a deficient number, since it is larger than the sum of its proper divisors (35111765917).

2021203020323 is a wasteful number, since it uses less digits than its factorization.

2021203020323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31891837.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 2021203020323 its reverse (3230203021202), we get a palindrome (5251406041525).

The spelling of 2021203020323 in words is "two trillion, twenty-one billion, two hundred three million, twenty thousand, three hundred twenty-three".