223974193 has 2 divisors, whose sum is σ = 223974194. Its totient is φ = 223974192.

The previous prime is 223974169. The next prime is 223974197. The reversal of 223974193 is 391479322.

223974193 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., 180848704 + 43125489 = 13448^2 + 6567^2 .

It is a cyclic number.

It is not a de Polignac number, because 223974193 - 2⁹ = 223973681 is a prime.

It is not a weakly prime, because it can be changed into another prime (223974197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111987096 + 111987097.

It is an arithmetic number, because the mean of its divisors is an integer number (111987097).

Almost surely, 2^223974193 is an apocalyptic number.

It is an amenable number.

223974193 is a deficient number, since it is larger than the sum of its proper divisors (1).

223974193 is an equidigital number, since it uses as much as digits as its factorization.

223974193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 40.

The square root of 223974193 is about 14965.7673709035. The cubic root of 223974193 is about 607.2944704878.

The spelling of 223974193 in words is "two hundred twenty-three million, nine hundred seventy-four thousand, one hundred ninety-three".