1003221003023 has 4 divisors (see below), whose sum is σ = 1003658519928. Its totient is φ = 1002783486120.

The previous prime is 1003221003019. The next prime is 1003221003067. The reversal of 1003221003023 is 3203001223001.

1003221003023 is digitally balanced in base 2, 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 a cyclic number.

It is not a de Polignac number, because 1003221003023 - 2² = 1003221003019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1003221002992 and 1003221003010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003221003223) 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, 218755013 + ... + 218759598.

It is an arithmetic number, because the mean of its divisors is an integer number (250914629982).

Almost surely, 2^{1003221003023} is an apocalyptic number.

1003221003023 is a deficient number, since it is larger than the sum of its proper divisors (437516905).

1003221003023 is an equidigital number, since it uses as much as digits as its factorization.

1003221003023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437516904.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 1003221003023 its reverse (3203001223001), we get a palindrome (4206222226024).

The spelling of 1003221003023 in words is "one trillion, three billion, two hundred twenty-one million, three thousand, twenty-three".