173230427 has 4 divisors (see below), whose sum is σ = 179203920. Its totient is φ = 167256936.

The previous prime is 173230417. The next prime is 173230433. The reversal of 173230427 is 724032371.

173230427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724032371 = 853 ⋅848807.

It is a cyclic number.

It is not a de Polignac number, because 173230427 - 2⁶ = 173230363 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 5973463 = 173230427 / (1 + 7 + 3 + 2 + 3 + 0 + 4 + 2 + 7).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 173230427.

It is not an unprimeable number, because it can be changed into a prime (173230417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2986703 + ... + 2986760.

It is an arithmetic number, because the mean of its divisors is an integer number (44800980).

Almost surely, 2^173230427 is an apocalyptic number.

173230427 is a deficient number, since it is larger than the sum of its proper divisors (5973493).

173230427 is an equidigital number, since it uses as much as digits as its factorization.

173230427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5973492.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 173230427 is about 13161.7030432995. The cubic root of 173230427 is about 557.4527453630.

Adding to 173230427 its reverse (724032371), we get a palindrome (897262798).

The spelling of 173230427 in words is "one hundred seventy-three million, two hundred thirty thousand, four hundred twenty-seven".