10003023020321 has 4 divisors (see below), whose sum is σ = 10003029624132. Its totient is φ = 10003016416512.

The previous prime is 10003023020317. The next prime is 10003023020329. The reversal of 10003023020321 is 12302032030001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 47073377296 + 9955949643025 = 216964^2 + 3155305^2 .

It is a cyclic number.

It is not a de Polignac number, because 10003023020321 - 2² = 10003023020317 is a prime.

It is a super-2 number, since 2×10003023020321² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10003023020321.

It is not an unprimeable number, because it can be changed into a prime (10003023020329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228281 + ... + 4478633.

It is an arithmetic number, because the mean of its divisors is an integer number (2500757406033).

Almost surely, 2^{10003023020321} is an apocalyptic number.

It is an amenable number.

10003023020321 is a deficient number, since it is larger than the sum of its proper divisors (6603811).

10003023020321 is an equidigital number, since it uses as much as digits as its factorization.

10003023020321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6603810.

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

Adding to 10003023020321 its reverse (12302032030001), we get a palindrome (22305055050322).

The spelling of 10003023020321 in words is "ten trillion, three billion, twenty-three million, twenty thousand, three hundred twenty-one".