1323443002597 has 2 divisors, whose sum is σ = 1323443002598. Its totient is φ = 1323443002596.

The previous prime is 1323443002501. The next prime is 1323443002631. The reversal of 1323443002597 is 7952003443231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1171429570276 + 152013432321 = 1082326^2 + 389889^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1323443002597 is a prime.

It is a super-2 number, since 2×1323443002597² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323443002097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661721501298 + 661721501299.

It is an arithmetic number, because the mean of its divisors is an integer number (661721501299).

Almost surely, 2^{1323443002597} is an apocalyptic number.

It is an amenable number.

1323443002597 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323443002597 is an equidigital number, since it uses as much as digits as its factorization.

1323443002597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 43.

The spelling of 1323443002597 in words is "one trillion, three hundred twenty-three billion, four hundred forty-three million, two thousand, five hundred ninety-seven".