223904473 has 8 divisors (see below), whose sum is σ = 241657416. Its totient is φ = 206227200.

The previous prime is 223904459. The next prime is 223904479. The reversal of 223904473 is 374409322.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9223369 + 214681104 = 3037^2 + 14652^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223904473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223904479) 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 7 ways as a sum of consecutive naturals, for example, 12688 + ... + 24673.

It is an arithmetic number, because the mean of its divisors is an integer number (30207177).

Almost surely, 2^223904473 is an apocalyptic number.

It is an amenable number.

223904473 is a deficient number, since it is larger than the sum of its proper divisors (17752943).

223904473 is a wasteful number, since it uses less digits than its factorization.

223904473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37835.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 223904473 is about 14963.4378736973. The cubic root of 223904473 is about 607.2314498871.

The spelling of 223904473 in words is "two hundred twenty-three million, nine hundred four thousand, four hundred seventy-three".