172112343 has 8 divisors (see below), whose sum is σ = 247135728. Its totient is φ = 105915264.

The previous prime is 172112333. The next prime is 172112351. The reversal of 172112343 is 343211271.

It is a happy number.

172112343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 172112343 - 2⁴ = 172112327 is a prime.

It is a super-2 number, since 2×172112343² = 59245317225899298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172112333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2206530 + ... + 2206607.

It is an arithmetic number, because the mean of its divisors is an integer number (30891966).

Almost surely, 2^172112343 is an apocalyptic number.

172112343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

172112343 is a deficient number, since it is larger than the sum of its proper divisors (75023385).

172112343 is a wasteful number, since it uses less digits than its factorization.

172112343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4413153.

The product of its digits is 1008, while the sum is 24.

The square root of 172112343 is about 13119.1593861802. The cubic root of 172112343 is about 556.2508303148.

The spelling of 172112343 in words is "one hundred seventy-two million, one hundred twelve thousand, three hundred forty-three".