195580423 has 2 divisors, whose sum is σ = 195580424. Its totient is φ = 195580422.

The previous prime is 195580403. The next prime is 195580447. The reversal of 195580423 is 324085591.

It is a weak prime.

It is an emirp because it is prime and its reverse (324085591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 195580423 - 2²¹ = 193483271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195580403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97790211 + 97790212.

It is an arithmetic number, because the mean of its divisors is an integer number (97790212).

Almost surely, 2^195580423 is an apocalyptic number.

195580423 is a deficient number, since it is larger than the sum of its proper divisors (1).

195580423 is an equidigital number, since it uses as much as digits as its factorization.

195580423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 195580423 is about 13985.0070790114. The cubic root of 195580423 is about 580.4637818444.

The spelling of 195580423 in words is "one hundred ninety-five million, five hundred eighty thousand, four hundred twenty-three".