195412423 has 2 divisors, whose sum is σ = 195412424. Its totient is φ = 195412422.

The previous prime is 195412421. The next prime is 195412471. The reversal of 195412423 is 324214591.

It is a weak prime.

It is an emirp because it is prime and its reverse (324214591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 195412423 - 2¹ = 195412421 is a prime.

Together with 195412421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195412421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97706211 + 97706212.

It is an arithmetic number, because the mean of its divisors is an integer number (97706212).

Almost surely, 2^195412423 is an apocalyptic number.

195412423 is a deficient number, since it is larger than the sum of its proper divisors (1).

195412423 is an equidigital number, since it uses as much as digits as its factorization.

195412423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 31.

The square root of 195412423 is about 13978.9993561771. Note that the first 3 decimals coincide. The cubic root of 195412423 is about 580.2975316488.

The spelling of 195412423 in words is "one hundred ninety-five million, four hundred twelve thousand, four hundred twenty-three".