27090223 has 2 divisors, whose sum is σ = 27090224. Its totient is φ = 27090222.

The previous prime is 27090221. The next prime is 27090229. The reversal of 27090223 is 32209072.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27090223 - 2¹ = 27090221 is a prime.

It is a super-3 number, since 3×27090223³ (a number of 23 digits) contains 333 as substring.

Together with 27090221, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27090221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13545111 + 13545112.

It is an arithmetic number, because the mean of its divisors is an integer number (13545112).

Almost surely, 2^27090223 is an apocalyptic number.

27090223 is a deficient number, since it is larger than the sum of its proper divisors (1).

27090223 is an equidigital number, since it uses as much as digits as its factorization.

27090223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 27090223 is about 5204.8268943357. The cubic root of 27090223 is about 300.3337877407. Note that the first 3 decimals are identical.

Adding to 27090223 its reverse (32209072), we get a palindrome (59299295).

The spelling of 27090223 in words is "twenty-seven million, ninety thousand, two hundred twenty-three".