2175320223 has 24 divisors (see below), whose sum is σ = 3254224896. Its totient is φ = 1399347600.

The previous prime is 2175320219. The next prime is 2175320281. The reversal of 2175320223 is 3220235712.

It is a happy number.

It is not a de Polignac number, because 2175320223 - 2² = 2175320219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2175320293) 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 in 23 ways as a sum of consecutive naturals, for example, 6183 + ... + 66248.

It is an arithmetic number, because the mean of its divisors is an integer number (135592704).

Almost surely, 2^2175320223 is an apocalyptic number.

2175320223 is a deficient number, since it is larger than the sum of its proper divisors (1078904673).

2175320223 is a wasteful number, since it uses less digits than its factorization.

2175320223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72555 (or 72552 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 2175320223 is about 46640.3282900110. The cubic root of 2175320223 is about 1295.7097668987.

Adding to 2175320223 its reverse (3220235712), we get a palindrome (5395555935).

The spelling of 2175320223 in words is "two billion, one hundred seventy-five million, three hundred twenty thousand, two hundred twenty-three".