173431343 has 2 divisors, whose sum is σ = 173431344. Its totient is φ = 173431342.

The previous prime is 173431303. The next prime is 173431351. The reversal of 173431343 is 343134371.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 173431343 - 2¹⁰ = 173430319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173431303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86715671 + 86715672.

It is an arithmetic number, because the mean of its divisors is an integer number (86715672).

Almost surely, 2^173431343 is an apocalyptic number.

173431343 is a deficient number, since it is larger than the sum of its proper divisors (1).

173431343 is an equidigital number, since it uses as much as digits as its factorization.

173431343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 29.

The square root of 173431343 is about 13169.3334303601. Note that the first 3 decimals coincide. The cubic root of 173431343 is about 557.6681769228.

The spelling of 173431343 in words is "one hundred seventy-three million, four hundred thirty-one thousand, three hundred forty-three".