172723346063 has 4 divisors (see below), whose sum is σ = 175301306520. Its totient is φ = 170145385608.

The previous prime is 172723346041. The next prime is 172723346101. The reversal of 172723346063 is 360643327271.

172723346063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 172723346063 - 2²⁰ = 172722297487 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 (172723340063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1288980128 + ... + 1288980261.

It is an arithmetic number, because the mean of its divisors is an integer number (43825326630).

Almost surely, 2^172723346063 is an apocalyptic number.

172723346063 is a deficient number, since it is larger than the sum of its proper divisors (2577960457).

172723346063 is an equidigital number, since it uses as much as digits as its factorization.

172723346063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2577960456.

The product of its (nonzero) digits is 762048, while the sum is 44.

The spelling of 172723346063 in words is "one hundred seventy-two billion, seven hundred twenty-three million, three hundred forty-six thousand, sixty-three".