201223204393 has 2 divisors, whose sum is σ = 201223204394. Its totient is φ = 201223204392.

The previous prime is 201223204337. The next prime is 201223204421. The reversal of 201223204393 is 393402322102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101460086784 + 99763117609 = 318528^2 + 315853^2 .

It is a cyclic number.

It is not a de Polignac number, because 201223204393 - 2¹³ = 201223196201 is a prime.

It is not a weakly prime, because it can be changed into another prime (201223204313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100611602196 + 100611602197.

It is an arithmetic number, because the mean of its divisors is an integer number (100611602197).

Almost surely, 2^201223204393 is an apocalyptic number.

It is an amenable number.

201223204393 is a deficient number, since it is larger than the sum of its proper divisors (1).

201223204393 is an equidigital number, since it uses as much as digits as its factorization.

201223204393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 201223204393 its reverse (393402322102), we get a palindrome (594625526495).

The spelling of 201223204393 in words is "two hundred one billion, two hundred twenty-three million, two hundred four thousand, three hundred ninety-three".