173223053 has 2 divisors, whose sum is σ = 173223054. Its totient is φ = 173223052.

The previous prime is 173223023. The next prime is 173223091. The reversal of 173223053 is 350322371.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109893289 + 63329764 = 10483^2 + 7958^2 .

It is a cyclic number.

It is not a de Polignac number, because 173223053 - 2⁶ = 173222989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173223023) 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, 86611526 + 86611527.

It is an arithmetic number, because the mean of its divisors is an integer number (86611527).

Almost surely, 2^173223053 is an apocalyptic number.

It is an amenable number.

173223053 is a deficient number, since it is larger than the sum of its proper divisors (1).

173223053 is an equidigital number, since it uses as much as digits as its factorization.

173223053 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 173223053 is about 13161.4229093970. The cubic root of 173223053 is about 557.4448354460. Note that the first 3 decimals are identical.

It can be divided in two parts, 17322305 and 3, that multiplied together give a palindrome (51966915).

The spelling of 173223053 in words is "one hundred seventy-three million, two hundred twenty-three thousand, fifty-three".