171053346623 has 4 divisors (see below), whose sum is σ = 180056154360. Its totient is φ = 162050538888.

The previous prime is 171053346619. The next prime is 171053346637. The reversal of 171053346623 is 326643350171.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 171053346623 - 2² = 171053346619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171053346613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4501403840 + ... + 4501403877.

It is an arithmetic number, because the mean of its divisors is an integer number (45014038590).

Almost surely, 2^171053346623 is an apocalyptic number.

171053346623 is a deficient number, since it is larger than the sum of its proper divisors (9002807737).

171053346623 is an equidigital number, since it uses as much as digits as its factorization.

171053346623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9002807736.

The product of its (nonzero) digits is 272160, while the sum is 41.

Adding to 171053346623 its reverse (326643350171), we get a palindrome (497696696794).

The spelling of 171053346623 in words is "one hundred seventy-one billion, fifty-three million, three hundred forty-six thousand, six hundred twenty-three".