82195423 has 2 divisors, whose sum is σ = 82195424. Its totient is φ = 82195422.

The previous prime is 82195417. The next prime is 82195427. The reversal of 82195423 is 32459128.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82195423 - 2¹⁷ = 82064351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82195427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41097711 + 41097712.

It is an arithmetic number, because the mean of its divisors is an integer number (41097712).

Almost surely, 2^82195423 is an apocalyptic number.

82195423 is a deficient number, since it is larger than the sum of its proper divisors (1).

82195423 is an equidigital number, since it uses as much as digits as its factorization.

82195423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The square root of 82195423 is about 9066.1691468889. The cubic root of 82195423 is about 434.7930014387.

The spelling of 82195423 in words is "eighty-two million, one hundred ninety-five thousand, four hundred twenty-three".