2000123421103 has 2 divisors, whose sum is σ = 2000123421104. Its totient is φ = 2000123421102.

The previous prime is 2000123421019. The next prime is 2000123421143. The reversal of 2000123421103 is 3011243210002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2000123421103 - 2²¹ = 2000121323951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000123421143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000061710551 + 1000061710552.

It is an arithmetic number, because the mean of its divisors is an integer number (1000061710552).

Almost surely, 2^{2000123421103} is an apocalyptic number.

2000123421103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000123421103 is an equidigital number, since it uses as much as digits as its factorization.

2000123421103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2000123421103 its reverse (3011243210002), we get a palindrome (5011366631105).

The spelling of 2000123421103 in words is "two trillion, one hundred twenty-three million, four hundred twenty-one thousand, one hundred three".