86430169823 has 2 divisors, whose sum is σ = 86430169824. Its totient is φ = 86430169822.

The previous prime is 86430169751. The next prime is 86430169831. The reversal of 86430169823 is 32896103468.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86430169823 - 2²⁸ = 86161734367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86430169123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43215084911 + 43215084912.

It is an arithmetic number, because the mean of its divisors is an integer number (43215084912).

Almost surely, 2^86430169823 is an apocalyptic number.

86430169823 is a deficient number, since it is larger than the sum of its proper divisors (1).

86430169823 is an equidigital number, since it uses as much as digits as its factorization.

86430169823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1492992, while the sum is 50.

The spelling of 86430169823 in words is "eighty-six billion, four hundred thirty million, one hundred sixty-nine thousand, eight hundred twenty-three".