171223367242173 has 8 divisors (see below), whose sum is σ = 232040410251936. Its totient is φ = 112277617863600.

The previous prime is 171223367242121. The next prime is 171223367242243. The reversal of 171223367242173 is 371242763322171.

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

It is not a de Polignac number, because 171223367242173 - 2²⁰ = 171223366193597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171223357242173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467823407583 + ... + 467823407948.

It is an arithmetic number, because the mean of its divisors is an integer number (29005051281492).

Almost surely, 2^{171223367242173} is an apocalyptic number.

It is an amenable number.

171223367242173 is a deficient number, since it is larger than the sum of its proper divisors (60817043009763).

171223367242173 is an equidigital number, since it uses as much as digits as its factorization.

171223367242173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935646815595.

The product of its digits is 3556224, while the sum is 51.

The spelling of 171223367242173 in words is "one hundred seventy-one trillion, two hundred twenty-three billion, three hundred sixty-seven million, two hundred forty-two thousand, one hundred seventy-three".