172476223 has 2 divisors, whose sum is σ = 172476224. Its totient is φ = 172476222.

The previous prime is 172476209. The next prime is 172476233. The reversal of 172476223 is 322674271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 172476223 - 2⁵ = 172476191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172476233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86238111 + 86238112.

It is an arithmetic number, because the mean of its divisors is an integer number (86238112).

Almost surely, 2^172476223 is an apocalyptic number.

172476223 is a deficient number, since it is larger than the sum of its proper divisors (1).

172476223 is an equidigital number, since it uses as much as digits as its factorization.

172476223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 34.

The square root of 172476223 is about 13133.0203304495. The cubic root of 172476223 is about 556.6425629700.

The spelling of 172476223 in words is "one hundred seventy-two million, four hundred seventy-six thousand, two hundred twenty-three".