172028343 has 4 divisors (see below), whose sum is σ = 229371128. Its totient is φ = 114685560.

The previous prime is 172028341. The next prime is 172028359. The reversal of 172028343 is 343820271.

172028343 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, and also an emirpimes, since its reverse is a distinct semiprime: 343820271 = 3 ⋅114606757.

It is not a de Polignac number, because 172028343 - 2¹ = 172028341 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 172028343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172028341) 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, 28671388 + ... + 28671393.

It is an arithmetic number, because the mean of its divisors is an integer number (57342782).

Almost surely, 2^172028343 is an apocalyptic number.

172028343 is a deficient number, since it is larger than the sum of its proper divisors (57342785).

172028343 is an equidigital number, since it uses as much as digits as its factorization.

172028343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57342784.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 172028343 is about 13115.9575708371. The cubic root of 172028343 is about 556.1603222346.

The spelling of 172028343 in words is "one hundred seventy-two million, twenty-eight thousand, three hundred forty-three".