27011223 has 12 divisors (see below), whose sum is σ = 40712880. Its totient is φ = 17224416.

The previous prime is 27011213. The next prime is 27011239. The reversal of 27011223 is 32211072.

It is not a de Polignac number, because 27011223 - 2¹⁰ = 27010199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27011196 and 27011205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27011213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65038 + ... + 65451.

It is an arithmetic number, because the mean of its divisors is an integer number (3392740).

Almost surely, 2^27011223 is an apocalyptic number.

27011223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

27011223 is a deficient number, since it is larger than the sum of its proper divisors (13701657).

27011223 is a wasteful number, since it uses less digits than its factorization.

27011223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130518 (or 130515 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 27011223 is about 5197.2322441854. The cubic root of 27011223 is about 300.0415609087.

Adding to 27011223 its reverse (32211072), we get a palindrome (59222295).

The spelling of 27011223 in words is "twenty-seven million, eleven thousand, two hundred twenty-three".