223097393 has 2 divisors, whose sum is σ = 223097394. Its totient is φ = 223097392.

The previous prime is 223097351. The next prime is 223097423. The reversal of 223097393 is 393790322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211760704 + 11336689 = 14552^2 + 3367^2 .

It is a cyclic number.

It is not a de Polignac number, because 223097393 - 2¹⁰ = 223096369 is a prime.

It is a super-3 number, since 3×223097393³ (a number of 26 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (223097333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111548696 + 111548697.

It is an arithmetic number, because the mean of its divisors is an integer number (111548697).

Almost surely, 2^223097393 is an apocalyptic number.

It is an amenable number.

223097393 is a deficient number, since it is larger than the sum of its proper divisors (1).

223097393 is an equidigital number, since it uses as much as digits as its factorization.

223097393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 38.

The square root of 223097393 is about 14936.4451259327. The cubic root of 223097393 is about 606.5009681444.

The spelling of 223097393 in words is "two hundred twenty-three million, ninety-seven thousand, three hundred ninety-three".