2000231123171 has 2 divisors, whose sum is σ = 2000231123172. Its totient is φ = 2000231123170.

The previous prime is 2000231123063. The next prime is 2000231123213. The reversal of 2000231123171 is 1713211320002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000231123171 is a prime.

It is a super-2 number, since 2×2000231123171² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2000231120171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000115561585 + 1000115561586.

It is an arithmetic number, because the mean of its divisors is an integer number (1000115561586).

Almost surely, 2^{2000231123171} is an apocalyptic number.

2000231123171 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000231123171 is an equidigital number, since it uses as much as digits as its factorization.

2000231123171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 2000231123171 its reverse (1713211320002), we get a palindrome (3713442443173).

The spelling of 2000231123171 in words is "two trillion, two hundred thirty-one million, one hundred twenty-three thousand, one hundred seventy-one".