223998473 has 4 divisors (see below), whose sum is σ = 224088900. Its totient is φ = 223908048.

The previous prime is 223998461. The next prime is 223998479. The reversal of 223998473 is 374899322.

223998473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 195664144 + 28334329 = 13988^2 + 5323^2 .

It is a cyclic number.

It is not a de Polignac number, because 223998473 - 2⁸ = 223998217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (223998479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41390 + ... + 46487.

It is an arithmetic number, because the mean of its divisors is an integer number (56022225).

Almost surely, 2^223998473 is an apocalyptic number.

It is an amenable number.

223998473 is a deficient number, since it is larger than the sum of its proper divisors (90427).

223998473 is an equidigital number, since it uses as much as digits as its factorization.

223998473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90426.

The product of its digits is 653184, while the sum is 47.

The square root of 223998473 is about 14966.5785335193. The cubic root of 223998473 is about 607.3164143508.

The spelling of 223998473 in words is "two hundred twenty-three million, nine hundred ninety-eight thousand, four hundred seventy-three".