1223616193 has 2 divisors, whose sum is σ = 1223616194. Its totient is φ = 1223616192.

The previous prime is 1223616143. The next prime is 1223616203. The reversal of 1223616193 is 3916163221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1084187329 + 139428864 = 32927^2 + 11808^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223616193 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223616113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611808096 + 611808097.

It is an arithmetic number, because the mean of its divisors is an integer number (611808097).

Almost surely, 2^1223616193 is an apocalyptic number.

It is an amenable number.

1223616193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223616193 is an equidigital number, since it uses as much as digits as its factorization.

1223616193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 34.

The square root of 1223616193 is about 34980.2257425535. The cubic root of 1223616193 is about 1069.5844291226.

The spelling of 1223616193 in words is "one billion, two hundred twenty-three million, six hundred sixteen thousand, one hundred ninety-three".