1223331443597 has 2 divisors, whose sum is σ = 1223331443598. Its totient is φ = 1223331443596.

The previous prime is 1223331443507. The next prime is 1223331443629. The reversal of 1223331443597 is 7953441333221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 927896799076 + 295434644521 = 963274^2 + 543539^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223331443597 - 2¹⁰ = 1223331442573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223331443507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611665721798 + 611665721799.

It is an arithmetic number, because the mean of its divisors is an integer number (611665721799).

Almost surely, 2^{1223331443597} is an apocalyptic number.

It is an amenable number.

1223331443597 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223331443597 is an equidigital number, since it uses as much as digits as its factorization.

1223331443597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 47.

The spelling of 1223331443597 in words is "one trillion, two hundred twenty-three billion, three hundred thirty-one million, four hundred forty-three thousand, five hundred ninety-seven".