83864266623523 has 2 divisors, whose sum is σ = 83864266623524. Its totient is φ = 83864266623522.

The previous prime is 83864266623479. The next prime is 83864266623541. The reversal of 83864266623523 is 32532666246838.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83864266623523 is a prime.

It is not a weakly prime, because it can be changed into another prime (83864266623023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41932133311761 + 41932133311762.

It is an arithmetic number, because the mean of its divisors is an integer number (41932133311762).

Almost surely, 2^{83864266623523} is an apocalyptic number.

83864266623523 is a deficient number, since it is larger than the sum of its proper divisors (1).

83864266623523 is an equidigital number, since it uses as much as digits as its factorization.

83864266623523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 358318080, while the sum is 64.

The spelling of 83864266623523 in words is "eighty-three trillion, eight hundred sixty-four billion, two hundred sixty-six million, six hundred twenty-three thousand, five hundred twenty-three".