10123002130321 has 4 divisors (see below), whose sum is σ = 10123545315892. Its totient is φ = 10122458944752.

The previous prime is 10123002130291. The next prime is 10123002130379. The reversal of 10123002130321 is 12303120032101.

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 1011442547025 + 9111559583296 = 1005705^2 + 3018536^2 .

It is a cyclic number.

It is not a de Polignac number, because 10123002130321 - 2¹¹ = 10123002128273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10123002130621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271564830 + ... + 271602103.

It is an arithmetic number, because the mean of its divisors is an integer number (2530886328973).

Almost surely, 2^{10123002130321} is an apocalyptic number.

It is an amenable number.

10123002130321 is a deficient number, since it is larger than the sum of its proper divisors (543185571).

10123002130321 is an equidigital number, since it uses as much as digits as its factorization.

10123002130321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543185570.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10123002130321 its reverse (12303120032101), we get a palindrome (22426122162422).

The spelling of 10123002130321 in words is "ten trillion, one hundred twenty-three billion, two million, one hundred thirty thousand, three hundred twenty-one".