84834490423 has 2 divisors, whose sum is σ = 84834490424. Its totient is φ = 84834490422.

The previous prime is 84834490361. The next prime is 84834490463. The reversal of 84834490423 is 32409443848.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84834490423 - 2⁹ = 84834489911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84834490463) 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, 42417245211 + 42417245212.

It is an arithmetic number, because the mean of its divisors is an integer number (42417245212).

Almost surely, 2^84834490423 is an apocalyptic number.

84834490423 is a deficient number, since it is larger than the sum of its proper divisors (1).

84834490423 is an equidigital number, since it uses as much as digits as its factorization.

84834490423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2654208, while the sum is 49.

The spelling of 84834490423 in words is "eighty-four billion, eight hundred thirty-four million, four hundred ninety thousand, four hundred twenty-three".