173230523 has 2 divisors, whose sum is σ = 173230524. Its totient is φ = 173230522.

The previous prime is 173230513. The next prime is 173230567. The reversal of 173230523 is 325032371.

It is a weak prime.

It is an emirp because it is prime and its reverse (325032371) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 173230523 - 2⁴ = 173230507 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 173230492 and 173230501.

It is not a weakly prime, because it can be changed into another prime (173230513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86615261 + 86615262.

It is an arithmetic number, because the mean of its divisors is an integer number (86615262).

Almost surely, 2^173230523 is an apocalyptic number.

173230523 is a deficient number, since it is larger than the sum of its proper divisors (1).

173230523 is an equidigital number, since it uses as much as digits as its factorization.

173230523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 173230523 is about 13161.7066902435. The cubic root of 173230523 is about 557.4528483384.

Adding to 173230523 its reverse (325032371), we get a palindrome (498262894).

The spelling of 173230523 in words is "one hundred seventy-three million, two hundred thirty thousand, five hundred twenty-three".