223445113 has 2 divisors, whose sum is σ = 223445114. Its totient is φ = 223445112.

The previous prime is 223445081. The next prime is 223445143. The reversal of 223445113 is 311544322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185831424 + 37613689 = 13632^2 + 6133^2 .

It is a cyclic number.

It is not a de Polignac number, because 223445113 - 2⁵ = 223445081 is a prime.

It is equal to p_12301990 and since 223445113 and 12301990 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (223445143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111722556 + 111722557.

It is an arithmetic number, because the mean of its divisors is an integer number (111722557).

Almost surely, 2^223445113 is an apocalyptic number.

It is an amenable number.

223445113 is a deficient number, since it is larger than the sum of its proper divisors (1).

223445113 is an equidigital number, since it uses as much as digits as its factorization.

223445113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 25.

The square root of 223445113 is about 14948.0805791245. The cubic root of 223445113 is about 606.8159024171.

Adding to 223445113 its reverse (311544322), we get a palindrome (534989435).

The spelling of 223445113 in words is "two hundred twenty-three million, four hundred forty-five thousand, one hundred thirteen".