195430423 has 2 divisors, whose sum is σ = 195430424. Its totient is φ = 195430422.

The previous prime is 195430387. The next prime is 195430439. The reversal of 195430423 is 324034591.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 195430423 - 2⁹ = 195429911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195430483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97715211 + 97715212.

It is an arithmetic number, because the mean of its divisors is an integer number (97715212).

Almost surely, 2^195430423 is an apocalyptic number.

195430423 is a deficient number, since it is larger than the sum of its proper divisors (1).

195430423 is an equidigital number, since it uses as much as digits as its factorization.

195430423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 195430423 is about 13979.6431642585. The cubic root of 195430423 is about 580.3153487264.

The spelling of 195430423 in words is "one hundred ninety-five million, four hundred thirty thousand, four hundred twenty-three".