2000320444123 has 4 divisors (see below), whose sum is σ = 2000325567888. Its totient is φ = 2000315320360.

The previous prime is 2000320444117. The next prime is 2000320444147. The reversal of 2000320444123 is 3214440230002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000320444123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2000320444183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1923208 + ... + 2774773.

It is an arithmetic number, because the mean of its divisors is an integer number (500081391972).

Almost surely, 2^{2000320444123} is an apocalyptic number.

2000320444123 is a deficient number, since it is larger than the sum of its proper divisors (5123765).

2000320444123 is an equidigital number, since it uses as much as digits as its factorization.

2000320444123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5123764.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 2000320444123 its reverse (3214440230002), we get a palindrome (5214760674125).

The spelling of 2000320444123 in words is "two trillion, three hundred twenty million, four hundred forty-four thousand, one hundred twenty-three".