27212023 has 2 divisors, whose sum is σ = 27212024. Its totient is φ = 27212022.

The previous prime is 27212011. The next prime is 27212027. The reversal of 27212023 is 32021272.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27212023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27212027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13606011 + 13606012.

It is an arithmetic number, because the mean of its divisors is an integer number (13606012).

Almost surely, 2^27212023 is an apocalyptic number.

27212023 is a deficient number, since it is larger than the sum of its proper divisors (1).

27212023 is an equidigital number, since it uses as much as digits as its factorization.

27212023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 27212023 is about 5216.5144493234. The cubic root of 27212023 is about 300.7832237925.

Adding to 27212023 its reverse (32021272), we get a palindrome (59233295).

Subtracting 27212023 from its reverse (32021272), we obtain a square (4809249 = 2193²).

The spelling of 27212023 in words is "twenty-seven million, two hundred twelve thousand, twenty-three".