1003221351023 has 2 divisors, whose sum is σ = 1003221351024. Its totient is φ = 1003221351022.

The previous prime is 1003221351017. The next prime is 1003221351029. The reversal of 1003221351023 is 3201531223001.

It is a balanced prime because it is at equal distance from previous prime (1003221351017) and next prime (1003221351029).

It is an emirp because it is prime and its reverse (3201531223001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1003221351023 - 2³⁴ = 986041481839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1003221351023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1003221351029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501610675511 + 501610675512.

It is an arithmetic number, because the mean of its divisors is an integer number (501610675512).

Almost surely, 2^{1003221351023} is an apocalyptic number.

1003221351023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003221351023 is an equidigital number, since it uses as much as digits as its factorization.

1003221351023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 1003221351023 its reverse (3201531223001), we get a palindrome (4204752574024).

The spelling of 1003221351023 in words is "one trillion, three billion, two hundred twenty-one million, three hundred fifty-one thousand, twenty-three".