173223023 has 2 divisors, whose sum is σ = 173223024. Its totient is φ = 173223022.

The previous prime is 173223007. The next prime is 173223053. The reversal of 173223023 is 320322371.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 173223023 - 2⁴ = 173223007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 173223023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173223053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86611511 + 86611512.

It is an arithmetic number, because the mean of its divisors is an integer number (86611512).

Almost surely, 2^173223023 is an apocalyptic number.

173223023 is a deficient number, since it is larger than the sum of its proper divisors (1).

173223023 is an equidigital number, since it uses as much as digits as its factorization.

173223023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 173223023 is about 13161.4217697025. The cubic root of 173223023 is about 557.4448032653. Note that the first 3 decimals are identical.

Adding to 173223023 its reverse (320322371), we get a palindrome (493545394).

The spelling of 173223023 in words is "one hundred seventy-three million, two hundred twenty-three thousand, twenty-three".