223606013 has 2 divisors, whose sum is σ = 223606014. Its totient is φ = 223606012.

The previous prime is 223605997. The next prime is 223606039. The reversal of 223606013 is 310606322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222994489 + 611524 = 14933^2 + 782^2 .

It is a cyclic number.

It is not a de Polignac number, because 223606013 - 2⁴ = 223605997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 223606013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223606043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111803006 + 111803007.

It is an arithmetic number, because the mean of its divisors is an integer number (111803007).

Almost surely, 2^223606013 is an apocalyptic number.

It is an amenable number.

223606013 is a deficient number, since it is larger than the sum of its proper divisors (1).

223606013 is an equidigital number, since it uses as much as digits as its factorization.

223606013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 223606013 is about 14953.4615724922. The cubic root of 223606013 is about 606.9615209557.

The spelling of 223606013 in words is "two hundred twenty-three million, six hundred six thousand, thirteen".