171113123 has 8 divisors (see below), whose sum is σ = 183379488. Its totient is φ = 159249024.

The previous prime is 171113119. The next prime is 171113147. The reversal of 171113123 is 321311171.

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 171113123 - 2² = 171113119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 171113095 and 171113104.

It is not an unprimeable number, because it can be changed into a prime (171113023) 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, 99686 + ... + 101387.

It is an arithmetic number, because the mean of its divisors is an integer number (22922436).

Almost surely, 2^171113123 is an apocalyptic number.

171113123 is a deficient number, since it is larger than the sum of its proper divisors (12266365).

171113123 is a wasteful number, since it uses less digits than its factorization.

171113123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201133.

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

The square root of 171113123 is about 13081.0214815205. The cubic root of 171113123 is about 555.1722788493.

Adding to 171113123 its reverse (321311171), we get a palindrome (492424294).

The spelling of 171113123 in words is "one hundred seventy-one million, one hundred thirteen thousand, one hundred twenty-three".