223442473 has 2 divisors, whose sum is σ = 223442474. Its totient is φ = 223442472.

The previous prime is 223442449. The next prime is 223442501. The reversal of 223442473 is 374244322.

223442473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217503504 + 5938969 = 14748^2 + 2437^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223442473 is a prime.

It is not a weakly prime, because it can be changed into another prime (223442173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111721236 + 111721237.

It is an arithmetic number, because the mean of its divisors is an integer number (111721237).

Almost surely, 2^223442473 is an apocalyptic number.

It is an amenable number.

223442473 is a deficient number, since it is larger than the sum of its proper divisors (1).

223442473 is an equidigital number, since it uses as much as digits as its factorization.

223442473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 31.

The square root of 223442473 is about 14947.9922732118. The cubic root of 223442473 is about 606.8135125680.

Adding to 223442473 its reverse (374244322), we get a palindrome (597686795).

The spelling of 223442473 in words is "two hundred twenty-three million, four hundred forty-two thousand, four hundred seventy-three".