123406171 has 8 divisors (see below), whose sum is σ = 141562080. Its totient is φ = 105381888.

The previous prime is 123406169. The next prime is 123406177. The reversal of 123406171 is 171604321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123406171 - 2¹ = 123406169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123406177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30886 + ... + 34651.

It is an arithmetic number, because the mean of its divisors is an integer number (17695260).

Almost surely, 2^123406171 is an apocalyptic number.

123406171 is a deficient number, since it is larger than the sum of its proper divisors (18155909).

123406171 is an equidigital number, since it uses as much as digits as its factorization.

123406171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65813.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 123406171 is about 11108.8330170185. The cubic root of 123406171 is about 497.8657979914.

The spelling of 123406171 in words is "one hundred twenty-three million, four hundred six thousand, one hundred seventy-one".