172353343 has 2 divisors, whose sum is σ = 172353344. Its totient is φ = 172353342.

The previous prime is 172353271. The next prime is 172353359. The reversal of 172353343 is 343353271.

It is a strong prime.

It is an emirp because it is prime and its reverse (343353271) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172353343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172353373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86176671 + 86176672.

It is an arithmetic number, because the mean of its divisors is an integer number (86176672).

Almost surely, 2^172353343 is an apocalyptic number.

172353343 is a deficient number, since it is larger than the sum of its proper divisors (1).

172353343 is an equidigital number, since it uses as much as digits as its factorization.

172353343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 31.

The square root of 172353343 is about 13128.3412128113. The cubic root of 172353343 is about 556.5103389699.

The spelling of 172353343 in words is "one hundred seventy-two million, three hundred fifty-three thousand, three hundred forty-three".