203223232213 has 2 divisors, whose sum is σ = 203223232214. Its totient is φ = 203223232212.

The previous prime is 203223232139. The next prime is 203223232259. The reversal of 203223232213 is 312232322302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145430110609 + 57793121604 = 381353^2 + 240402^2 .

It is a cyclic number.

It is not a de Polignac number, because 203223232213 - 2²⁹ = 202686361301 is a prime.

It is a super-2 number, since 2×203223232213² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203223292213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101611616106 + 101611616107.

It is an arithmetic number, because the mean of its divisors is an integer number (101611616107).

Almost surely, 2^203223232213 is an apocalyptic number.

It is an amenable number.

203223232213 is a deficient number, since it is larger than the sum of its proper divisors (1).

203223232213 is an equidigital number, since it uses as much as digits as its factorization.

203223232213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 203223232213 its reverse (312232322302), we get a palindrome (515455554515).

The spelling of 203223232213 in words is "two hundred three billion, two hundred twenty-three million, two hundred thirty-two thousand, two hundred thirteen".