27923066323 has 4 divisors (see below), whose sum is σ = 27932512320. Its totient is φ = 27913620328.

The previous prime is 27923066309. The next prime is 27923066401. The reversal of 27923066323 is 32366032972.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27923066323 - 2²⁹ = 27386195411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27923066323.

It is not an unprimeable number, because it can be changed into a prime (27923066123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4718563 + ... + 4724476.

It is an arithmetic number, because the mean of its divisors is an integer number (6983128080).

Almost surely, 2^27923066323 is an apocalyptic number.

27923066323 is a deficient number, since it is larger than the sum of its proper divisors (9445997).

27923066323 is an equidigital number, since it uses as much as digits as its factorization.

27923066323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9445996.

The product of its (nonzero) digits is 489888, while the sum is 43.

The spelling of 27923066323 in words is "twenty-seven billion, nine hundred twenty-three million, sixty-six thousand, three hundred twenty-three".