170232427 has 2 divisors, whose sum is σ = 170232428. Its totient is φ = 170232426.

The previous prime is 170232397. The next prime is 170232437. The reversal of 170232427 is 724232071.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 170232427 - 2⁷ = 170232299 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 170232395 and 170232404.

It is not a weakly prime, because it can be changed into another prime (170232437) 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 as a sum of consecutive naturals, namely, 85116213 + 85116214.

It is an arithmetic number, because the mean of its divisors is an integer number (85116214).

Almost surely, 2^170232427 is an apocalyptic number.

170232427 is a deficient number, since it is larger than the sum of its proper divisors (1).

170232427 is an equidigital number, since it uses as much as digits as its factorization.

170232427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 170232427 is about 13047.3149344990. The cubic root of 170232427 is about 554.2181746559.

Adding to 170232427 its reverse (724232071), we get a palindrome (894464498).

The spelling of 170232427 in words is "one hundred seventy million, two hundred thirty-two thousand, four hundred twenty-seven".