233173 has 2 divisors, whose sum is σ = 233174. Its totient is φ = 233172.

The previous prime is 233161. The next prime is 233183. The reversal of 233173 is 371332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209764 + 23409 = 458^2 + 153^2 .

It is a cyclic number.

It is not a de Polignac number, because 233173 - 2⁵ = 233141 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 3⁸ + 1 + 3⁹ + 7⁵ + 3¹⁰ .

233173 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 233173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116586 + 116587.

It is an arithmetic number, because the mean of its divisors is an integer number (116587).

2²³³¹⁷³ is an apocalyptic number.

It is an amenable number.

233173 is a deficient number, since it is larger than the sum of its proper divisors (1).

233173 is an equidigital number, since it uses as much as digits as its factorization.

233173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378, while the sum is 19.

The square root of 233173 is about 482.8799022531. The cubic root of 233173 is about 61.5497207363.

It can be divided in two parts, 233 and 173, that added together give a triangular number (406 = T₂₈).

The spelling of 233173 in words is "two hundred thirty-three thousand, one hundred seventy-three".