27343666623 has 16 divisors (see below), whose sum is σ = 44871658496. Its totient is φ = 14423032800.

The previous prime is 27343666583. The next prime is 27343666639. The reversal of 27343666623 is 32666634372.

It is not a de Polignac number, because 27343666623 - 2¹⁷ = 27343535551 is a prime.

It is a super-2 number, since 2×27343666623² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27343666123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50079703 + ... + 50080248.

It is an arithmetic number, because the mean of its divisors is an integer number (2804478656).

Almost surely, 2^27343666623 is an apocalyptic number.

27343666623 is a deficient number, since it is larger than the sum of its proper divisors (17527991873).

27343666623 is a wasteful number, since it uses less digits than its factorization.

27343666623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100159974.

The product of its digits is 3919104, while the sum is 48.

The spelling of 27343666623 in words is "twenty-seven billion, three hundred forty-three million, six hundred sixty-six thousand, six hundred twenty-three".