1223446745597 has 2 divisors, whose sum is σ = 1223446745598. Its totient is φ = 1223446745596.

The previous prime is 1223446745537. The next prime is 1223446745603. The reversal of 1223446745597 is 7955476443221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1222128039001 + 1318706596 = 1105499^2 + 36314^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223446745597 - 2¹⁶ = 1223446680061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223446745537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611723372798 + 611723372799.

It is an arithmetic number, because the mean of its divisors is an integer number (611723372799).

Almost surely, 2^{1223446745597} is an apocalyptic number.

It is an amenable number.

1223446745597 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223446745597 is an equidigital number, since it uses as much as digits as its factorization.

1223446745597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50803200, while the sum is 59.

The spelling of 1223446745597 in words is "one trillion, two hundred twenty-three billion, four hundred forty-six million, seven hundred forty-five thousand, five hundred ninety-seven".