173222023 has 8 divisors (see below), whose sum is σ = 186865616. Its totient is φ = 159624000.

The previous prime is 173222009. The next prime is 173222029. The reversal of 173222023 is 320222371.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 173222023 - 2⁵ = 173221991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 173221985 and 173222003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173222029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3273 + ... + 18898.

It is an arithmetic number, because the mean of its divisors is an integer number (23358202).

Almost surely, 2^173222023 is an apocalyptic number.

173222023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

173222023 is a deficient number, since it is larger than the sum of its proper divisors (13643593).

173222023 is a wasteful number, since it uses less digits than its factorization.

173222023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22785.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 173222023 is about 13161.3837798311. The cubic root of 173222023 is about 557.4437305713.

Adding to 173222023 its reverse (320222371), we get a palindrome (493444394).

The spelling of 173222023 in words is "one hundred seventy-three million, two hundred twenty-two thousand, twenty-three".