1323201197 has 2 divisors, whose sum is σ = 1323201198. Its totient is φ = 1323201196.

The previous prime is 1323201167. The next prime is 1323201223. The reversal of 1323201197 is 7911023231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1200899716 + 122301481 = 34654^2 + 11059^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323201197 - 2⁶ = 1323201133 is a prime.

It is a super-2 number, since 2×1323201197² = 3501722815484465618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323201167) 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, 661600598 + 661600599.

It is an arithmetic number, because the mean of its divisors is an integer number (661600599).

Almost surely, 2^1323201197 is an apocalyptic number.

It is an amenable number.

1323201197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323201197 is an equidigital number, since it uses as much as digits as its factorization.

1323201197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 1323201197 is about 36375.8325952823. The cubic root of 1323201197 is about 1097.8473595687.

The spelling of 1323201197 in words is "one billion, three hundred twenty-three million, two hundred one thousand, one hundred ninety-seven".