223430513 has 2 divisors, whose sum is σ = 223430514. Its totient is φ = 223430512.

The previous prime is 223430497. The next prime is 223430521. The reversal of 223430513 is 315034322.

223430513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220908769 + 2521744 = 14863^2 + 1588^2 .

It is a cyclic number.

It is not a de Polignac number, because 223430513 - 2⁴ = 223430497 is a prime.

It is not a weakly prime, because it can be changed into another prime (223430573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111715256 + 111715257.

It is an arithmetic number, because the mean of its divisors is an integer number (111715257).

Almost surely, 2^223430513 is an apocalyptic number.

It is an amenable number.

223430513 is a deficient number, since it is larger than the sum of its proper divisors (1).

223430513 is an equidigital number, since it uses as much as digits as its factorization.

223430513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 223430513 is about 14947.5922141327. The cubic root of 223430513 is about 606.8026855917.

Adding to 223430513 its reverse (315034322), we get a palindrome (538464835).

The spelling of 223430513 in words is "two hundred twenty-three million, four hundred thirty thousand, five hundred thirteen".