105564884423 has 2 divisors, whose sum is σ = 105564884424. Its totient is φ = 105564884422.

The previous prime is 105564884387. The next prime is 105564884461. The reversal of 105564884423 is 324488465501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105564884423 - 2²⁴ = 105548107207 is a prime.

It is a super-2 number, since 2×105564884423² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105564884123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52782442211 + 52782442212.

It is an arithmetic number, because the mean of its divisors is an integer number (52782442212).

Almost surely, 2^105564884423 is an apocalyptic number.

105564884423 is a deficient number, since it is larger than the sum of its proper divisors (1).

105564884423 is an equidigital number, since it uses as much as digits as its factorization.

105564884423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3686400, while the sum is 50.

The spelling of 105564884423 in words is "one hundred five billion, five hundred sixty-four million, eight hundred eighty-four thousand, four hundred twenty-three".