2123003130321 has 32 divisors (see below), whose sum is σ = 3109602032640. Its totient is φ = 1282382190144.

The previous prime is 2123003130319. The next prime is 2123003130379. The reversal of 2123003130321 is 1230313003212.

It is not a de Polignac number, because 2123003130321 - 2¹ = 2123003130319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2123003130121) 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 31 ways as a sum of consecutive naturals, for example, 10549575 + ... + 10748931.

It is an arithmetic number, because the mean of its divisors is an integer number (97175063520).

Almost surely, 2^{2123003130321} is an apocalyptic number.

It is an amenable number.

2123003130321 is a deficient number, since it is larger than the sum of its proper divisors (986598902319).

2123003130321 is a wasteful number, since it uses less digits than its factorization.

2123003130321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207525.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2123003130321 its reverse (1230313003212), we get a palindrome (3353316133533).

The spelling of 2123003130321 in words is "two trillion, one hundred twenty-three billion, three million, one hundred thirty thousand, three hundred twenty-one".