223315523 has 2 divisors, whose sum is σ = 223315524. Its totient is φ = 223315522.

The previous prime is 223315513. The next prime is 223315529. The reversal of 223315523 is 325513322.

223315523 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 is a cyclic number.

It is not a de Polignac number, because 223315523 - 2²² = 219121219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223315492 and 223315501.

It is not a weakly prime, because it can be changed into another prime (223315529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111657761 + 111657762.

It is an arithmetic number, because the mean of its divisors is an integer number (111657762).

Almost surely, 2^223315523 is an apocalyptic number.

223315523 is a deficient number, since it is larger than the sum of its proper divisors (1).

223315523 is an equidigital number, since it uses as much as digits as its factorization.

223315523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 26.

The square root of 223315523 is about 14943.7452802167. The cubic root of 223315523 is about 606.6985693819.

Adding to 223315523 its reverse (325513322), we get a palindrome (548828845).

The spelling of 223315523 in words is "two hundred twenty-three million, three hundred fifteen thousand, five hundred twenty-three".