172857074323 has 16 divisors (see below), whose sum is σ = 181949644800. Its totient is φ = 164029561920.

The previous prime is 172857074317. The next prime is 172857074381. The reversal of 172857074323 is 323470758271.

It is a cyclic number.

It is not a de Polignac number, because 172857074323 - 2⁹ = 172857073811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172857074023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216238 + ... + 626476.

It is an arithmetic number, because the mean of its divisors is an integer number (11371852800).

Almost surely, 2^172857074323 is an apocalyptic number.

172857074323 is a deficient number, since it is larger than the sum of its proper divisors (9092570477).

172857074323 is a wasteful number, since it uses less digits than its factorization.

172857074323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410562.

The product of its (nonzero) digits is 1975680, while the sum is 49.

The spelling of 172857074323 in words is "one hundred seventy-two billion, eight hundred fifty-seven million, seventy-four thousand, three hundred twenty-three".