2123112320013 has 8 divisors (see below), whose sum is σ = 2858300081728. Its totient is φ = 1401666385824.

The previous prime is 2123112319981. The next prime is 2123112320083. The reversal of 2123112320013 is 3100232113212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2123112320013 - 2⁵ = 2123112319981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123112320083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3435456520 + ... + 3435457137.

It is an arithmetic number, because the mean of its divisors is an integer number (357287510216).

Almost surely, 2^{2123112320013} is an apocalyptic number.

It is an amenable number.

2123112320013 is a deficient number, since it is larger than the sum of its proper divisors (735187761715).

2123112320013 is a wasteful number, since it uses less digits than its factorization.

2123112320013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6870913763.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2123112320013 its reverse (3100232113212), we get a palindrome (5223344433225).

The spelling of 2123112320013 in words is "two trillion, one hundred twenty-three billion, one hundred twelve million, three hundred twenty thousand, thirteen".