423343311201197 has 2 divisors, whose sum is σ = 423343311201198. Its totient is φ = 423343311201196.

The previous prime is 423343311201149. The next prime is 423343311201263. The reversal of 423343311201197 is 791102113343324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 393429565533481 + 29913745667716 = 19835059^2 + 5469346^2 .

It is a cyclic number.

It is not a de Polignac number, because 423343311201197 - 2⁸ = 423343311200941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423343311201997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211671655600598 + 211671655600599.

It is an arithmetic number, because the mean of its divisors is an integer number (211671655600599).

Almost surely, 2^{423343311201197} is an apocalyptic number.

It is an amenable number.

423343311201197 is a deficient number, since it is larger than the sum of its proper divisors (1).

423343311201197 is an equidigital number, since it uses as much as digits as its factorization.

423343311201197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 423343311201197 in words is "four hundred twenty-three trillion, three hundred forty-three billion, three hundred eleven million, two hundred one thousand, one hundred ninety-seven".