163422172323 has 20 divisors (see below), whose sum is σ = 245074411560. Its totient is φ = 108524178432.

The previous prime is 163422172321. The next prime is 163422172339. The reversal of 163422172323 is 323271224361.

163422172323 is a `hidden beast` number, since 1 + 63 + 422 + 172 + 3 + 2 + 3 = 666.

It is not a de Polignac number, because 163422172323 - 2¹ = 163422172321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163422172321) 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 in 19 ways as a sum of consecutive naturals, for example, 3904393 + ... + 3946026.

It is an arithmetic number, because the mean of its divisors is an integer number (12253720578).

Almost surely, 2^163422172323 is an apocalyptic number.

163422172323 is a deficient number, since it is larger than the sum of its proper divisors (81652239237).

163422172323 is an equidigital number, since it uses as much as digits as its factorization.

163422172323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7850688 (or 7850679 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

Adding to 163422172323 its reverse (323271224361), we get a palindrome (486693396684).

The spelling of 163422172323 in words is "one hundred sixty-three billion, four hundred twenty-two million, one hundred seventy-two thousand, three hundred twenty-three".