2000123421023 has 24 divisors (see below), whose sum is σ = 2505876235632. Its totient is φ = 1582371794304.

The previous prime is 2000123421019. The next prime is 2000123421103. The reversal of 2000123421023 is 3201243210002.

It is not a de Polignac number, because 2000123421023 - 2² = 2000123421019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2000123420986 and 2000123421004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000123427023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7187036 + ... + 7460142.

It is an arithmetic number, because the mean of its divisors is an integer number (104411509818).

Almost surely, 2^{2000123421023} is an apocalyptic number.

2000123421023 is a deficient number, since it is larger than the sum of its proper divisors (505752814609).

2000123421023 is a wasteful number, since it uses less digits than its factorization.

2000123421023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284631 (or 284624 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2000123421023 its reverse (3201243210002), we get a palindrome (5201366631025).

The spelling of 2000123421023 in words is "two trillion, one hundred twenty-three million, four hundred twenty-one thousand, twenty-three".