170223313 has 8 divisors (see below), whose sum is σ = 184941288. Its totient is φ = 155737344.

The previous prime is 170223311. The next prime is 170223341. The reversal of 170223313 is 313322071.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 24127744 + 146095569 = 4912^2 + 12087^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 170223313 - 2¹ = 170223311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (170223311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56470 + ... + 59407.

It is an arithmetic number, because the mean of its divisors is an integer number (23117661).

Almost surely, 2^170223313 is an apocalyptic number.

170223313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

170223313 is a deficient number, since it is larger than the sum of its proper divisors (14717975).

170223313 is a wasteful number, since it uses less digits than its factorization.

170223313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116003.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 170223313 is about 13046.9656625592. The cubic root of 170223313 is about 554.2082837974.

Adding to 170223313 its reverse (313322071), we get a palindrome (483545384).

The spelling of 170223313 in words is "one hundred seventy million, two hundred twenty-three thousand, three hundred thirteen".