123130001171 has 2 divisors, whose sum is σ = 123130001172. Its totient is φ = 123130001170.

The previous prime is 123130001167. The next prime is 123130001179. The reversal of 123130001171 is 171100031321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123130001171 - 2² = 123130001167 is a prime.

It is a super-2 number, since 2×123130001171² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123130001179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61565000585 + 61565000586.

It is an arithmetic number, because the mean of its divisors is an integer number (61565000586).

Almost surely, 2^123130001171 is an apocalyptic number.

123130001171 is a deficient number, since it is larger than the sum of its proper divisors (1).

123130001171 is an equidigital number, since it uses as much as digits as its factorization.

123130001171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 20.

Adding to 123130001171 its reverse (171100031321), we get a palindrome (294230032492).

The spelling of 123130001171 in words is "one hundred twenty-three billion, one hundred thirty million, one thousand, one hundred seventy-one".