86321241623543 has 2 divisors, whose sum is σ = 86321241623544. Its totient is φ = 86321241623542.

The previous prime is 86321241623531. The next prime is 86321241623557. The reversal of 86321241623543 is 34532614212368.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86321241623543 - 2²² = 86321237429239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86321241623491 and 86321241623500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86321241623443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43160620811771 + 43160620811772.

It is an arithmetic number, because the mean of its divisors is an integer number (43160620811772).

Almost surely, 2^{86321241623543} is an apocalyptic number.

86321241623543 is a deficient number, since it is larger than the sum of its proper divisors (1).

86321241623543 is an equidigital number, since it uses as much as digits as its factorization.

86321241623543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4976640, while the sum is 50.

The spelling of 86321241623543 in words is "eighty-six trillion, three hundred twenty-one billion, two hundred forty-one million, six hundred twenty-three thousand, five hundred forty-three".