2123444104313 has 4 divisors (see below), whose sum is σ = 2426793262080. Its totient is φ = 1820094946548.

The previous prime is 2123444104283. The next prime is 2123444104337. The reversal of 2123444104313 is 3134014443212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2123444104313 is a prime.

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 2123444104313.

It is not an unprimeable number, because it can be changed into a prime (2123444104373) 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, 151674578873 + ... + 151674578886.

It is an arithmetic number, because the mean of its divisors is an integer number (606698315520).

Almost surely, 2^{2123444104313} is an apocalyptic number.

It is an amenable number.

2123444104313 is a deficient number, since it is larger than the sum of its proper divisors (303349157767).

2123444104313 is an equidigital number, since it uses as much as digits as its factorization.

2123444104313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303349157766.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 2123444104313 its reverse (3134014443212), we get a palindrome (5257458547525).

The spelling of 2123444104313 in words is "two trillion, one hundred twenty-three billion, four hundred forty-four million, one hundred four thousand, three hundred thirteen".