123470725171 has 2 divisors, whose sum is σ = 123470725172. Its totient is φ = 123470725170.

The previous prime is 123470725151. The next prime is 123470725187. The reversal of 123470725171 is 171527074321.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (171527074321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123470725171 - 2⁵ = 123470725139 is a prime.

It is a super-2 number, since 2×123470725171² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123470725111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61735362585 + 61735362586.

It is an arithmetic number, because the mean of its divisors is an integer number (61735362586).

Almost surely, 2^123470725171 is an apocalyptic number.

123470725171 is a deficient number, since it is larger than the sum of its proper divisors (1).

123470725171 is an equidigital number, since it uses as much as digits as its factorization.

123470725171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82320, while the sum is 40.

Adding to 123470725171 its reverse (171527074321), we get a palindrome (294997799492).

The spelling of 123470725171 in words is "one hundred twenty-three billion, four hundred seventy million, seven hundred twenty-five thousand, one hundred seventy-one".