1223213132353 has 2 divisors, whose sum is σ = 1223213132354. Its totient is φ = 1223213132352.

The previous prime is 1223213132321. The next prime is 1223213132359. The reversal of 1223213132353 is 3532313123221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1133688303504 + 89524828849 = 1064748^2 + 299207^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223213132353 - 2⁵ = 1223213132321 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223213132359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611606566176 + 611606566177.

It is an arithmetic number, because the mean of its divisors is an integer number (611606566177).

Almost surely, 2^{1223213132353} is an apocalyptic number.

It is an amenable number.

1223213132353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223213132353 is an equidigital number, since it uses as much as digits as its factorization.

1223213132353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 31.

Adding to 1223213132353 its reverse (3532313123221), we get a palindrome (4755526255574).

The spelling of 1223213132353 in words is "one trillion, two hundred twenty-three billion, two hundred thirteen million, one hundred thirty-two thousand, three hundred fifty-three".