104664406564423 has 2 divisors, whose sum is σ = 104664406564424. Its totient is φ = 104664406564422.

The previous prime is 104664406564411. The next prime is 104664406564481. The reversal of 104664406564423 is 324465604466401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104664406564423 - 2³⁷ = 104526967610951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104664406564493) 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, 52332203282211 + 52332203282212.

It is an arithmetic number, because the mean of its divisors is an integer number (52332203282212).

Almost surely, 2^{104664406564423} is an apocalyptic number.

104664406564423 is a deficient number, since it is larger than the sum of its proper divisors (1).

104664406564423 is an equidigital number, since it uses as much as digits as its factorization.

104664406564423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39813120, while the sum is 55.

The spelling of 104664406564423 in words is "one hundred four trillion, six hundred sixty-four billion, four hundred six million, five hundred sixty-four thousand, four hundred twenty-three".