172123543095 has 32 divisors (see below), whose sum is σ = 314758863360. Its totient is φ = 78680380800.

The previous prime is 172123543063. The next prime is 172123543121. The reversal of 172123543095 is 590345321271.

172123543095 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 172123543095 - 2⁵ = 172123543063 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2240836 + ... + 2316374.

It is an arithmetic number, because the mean of its divisors is an integer number (9836214480).

Almost surely, 2^172123543095 is an apocalyptic number.

172123543095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

172123543095 is a deficient number, since it is larger than the sum of its proper divisors (142635320265).

172123543095 is a wasteful number, since it uses less digits than its factorization.

172123543095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97255.

The product of its (nonzero) digits is 226800, while the sum is 42.

The spelling of 172123543095 in words is "one hundred seventy-two billion, one hundred twenty-three million, five hundred forty-three thousand, ninety-five".