2000123421019 has 2 divisors, whose sum is σ = 2000123421020. Its totient is φ = 2000123421018.

The previous prime is 2000123420989. The next prime is 2000123421103. The reversal of 2000123421019 is 9101243210002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2000123421019 - 2⁹ = 2000123420507 is a prime.

It is a super-2 number, since 2×2000123421019² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2000123420984 and 2000123421002.

It is not a weakly prime, because it can be changed into another prime (2000123421319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000061710509 + 1000061710510.

It is an arithmetic number, because the mean of its divisors is an integer number (1000061710510).

Almost surely, 2^{2000123421019} is an apocalyptic number.

2000123421019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000123421019 is an equidigital number, since it uses as much as digits as its factorization.

2000123421019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 2000123421019 in words is "two trillion, one hundred twenty-three million, four hundred twenty-one thousand, nineteen".