27273223 has 4 divisors (see below), whose sum is σ = 27907528. Its totient is φ = 26638920.

The previous prime is 27273209. The next prime is 27273229. The reversal of 27273223 is 32237272.

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 27273223 - 2¹³ = 27265031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27273191 and 27273200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27273229) 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, 317088 + ... + 317173.

It is an arithmetic number, because the mean of its divisors is an integer number (6976882).

Almost surely, 2^27273223 is an apocalyptic number.

27273223 is a deficient number, since it is larger than the sum of its proper divisors (634305).

27273223 is an equidigital number, since it uses as much as digits as its factorization.

27273223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634304.

The product of its digits is 7056, while the sum is 28.

The square root of 27273223 is about 5222.3771407282. The cubic root of 27273223 is about 301.0085427096.

The spelling of 27273223 in words is "twenty-seven million, two hundred seventy-three thousand, two hundred twenty-three".