223304407 has 2 divisors, whose sum is σ = 223304408. Its totient is φ = 223304406.

The previous prime is 223304353. The next prime is 223304413. The reversal of 223304407 is 704403322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223304407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223304507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111652203 + 111652204.

It is an arithmetic number, because the mean of its divisors is an integer number (111652204).

Almost surely, 2^223304407 is an apocalyptic number.

223304407 is a deficient number, since it is larger than the sum of its proper divisors (1).

223304407 is an equidigital number, since it uses as much as digits as its factorization.

223304407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 223304407 is about 14943.3733474072. The cubic root of 223304407 is about 606.6885026489.

Adding to 223304407 its reverse (704403322), we get a palindrome (927707729).

The spelling of 223304407 in words is "two hundred twenty-three million, three hundred four thousand, four hundred seven".