223403563 has 2 divisors, whose sum is σ = 223403564. Its totient is φ = 223403562.

The previous prime is 223403507. The next prime is 223403567. The reversal of 223403563 is 365304322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223403563 is a prime.

It is a super-2 number, since 2×223403563² = 99818303922189938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (223403567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111701781 + 111701782.

It is an arithmetic number, because the mean of its divisors is an integer number (111701782).

Almost surely, 2^223403563 is an apocalyptic number.

223403563 is a deficient number, since it is larger than the sum of its proper divisors (1).

223403563 is an equidigital number, since it uses as much as digits as its factorization.

223403563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 223403563 is about 14946.6907039652. The cubic root of 223403563 is about 606.7782872680.

Adding to 223403563 its reverse (365304322), we get a palindrome (588707885).

The spelling of 223403563 in words is "two hundred twenty-three million, four hundred three thousand, five hundred sixty-three".