223990172176 has 45 divisors (see below), whose sum is σ = 437080217133. Its totient is φ = 111200928960.

The previous prime is 223990172173. The next prime is 223990172207. The reversal of 223990172176 is 671271099322.

It is a happy number.

The square root of 223990172176 is 473276.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 177851132176 + 46139040000 = 421724^2 + 214800^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223990172173) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 338865286 + ... + 338865946.

Almost surely, 2^223990172176 is an apocalyptic number.

223990172176 is the 473276-th square number.

It is an amenable number.

223990172176 is a deficient number, since it is larger than the sum of its proper divisors (213090044957).

223990172176 is an frugal number, since it uses more digits than its factorization.

223990172176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688 (or 842 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 49.

Multiplying 223990172176 by its sum of digits (49), we get a square (10975518436624 = 3312932²).

The spelling of 223990172176 in words is "two hundred twenty-three billion, nine hundred ninety million, one hundred seventy-two thousand, one hundred seventy-six".