1223203302353 has 2 divisors, whose sum is σ = 1223203302354. Its totient is φ = 1223203302352.

The previous prime is 1223203302317. The next prime is 1223203302379. The reversal of 1223203302353 is 3532033023221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1121667391744 + 101535910609 = 1059088^2 + 318647^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223203302353 - 2³⁴ = 1206023433169 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223203302383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611601651176 + 611601651177.

It is an arithmetic number, because the mean of its divisors is an integer number (611601651177).

Almost surely, 2^{1223203302353} is an apocalyptic number.

It is an amenable number.

1223203302353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223203302353 is an equidigital number, since it uses as much as digits as its factorization.

1223203302353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 29.

Adding to 1223203302353 its reverse (3532033023221), we get a palindrome (4755236325574).

The spelling of 1223203302353 in words is "one trillion, two hundred twenty-three billion, two hundred three million, three hundred two thousand, three hundred fifty-three".