2023110003221 has 4 divisors (see below), whose sum is σ = 2023115131212. Its totient is φ = 2023104875232.

The previous prime is 2023110003191. The next prime is 2023110003223. The reversal of 2023110003221 is 1223000113202.

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

It can be written as a sum of positive squares in 2 ways, for example, as 965532238225 + 1057577764996 = 982615^2 + 1028386^2 .

It is a cyclic number.

It is not a de Polignac number, because 2023110003221 - 2¹⁰ = 2023110002197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2023110003221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023110003223) 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, 1917950 + ... + 2779343.

It is an arithmetic number, because the mean of its divisors is an integer number (505778782803).

Almost surely, 2^{2023110003221} is an apocalyptic number.

It is an amenable number.

2023110003221 is a deficient number, since it is larger than the sum of its proper divisors (5127991).

2023110003221 is an equidigital number, since it uses as much as digits as its factorization.

2023110003221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5127990.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2023110003221 its reverse (1223000113202), we get a palindrome (3246110116423).

The spelling of 2023110003221 in words is "two trillion, twenty-three billion, one hundred ten million, three thousand, two hundred twenty-one".