27238423 has 2 divisors, whose sum is σ = 27238424. Its totient is φ = 27238422.

The previous prime is 27238357. The next prime is 27238433. The reversal of 27238423 is 32483272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27238423 - 2²¹ = 25141271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27238433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13619211 + 13619212.

It is an arithmetic number, because the mean of its divisors is an integer number (13619212).

Almost surely, 2^27238423 is an apocalyptic number.

27238423 is a deficient number, since it is larger than the sum of its proper divisors (1).

27238423 is an equidigital number, since it uses as much as digits as its factorization.

27238423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 31.

The square root of 27238423 is about 5219.0442611651. The cubic root of 27238423 is about 300.8804615782.

The spelling of 27238423 in words is "twenty-seven million, two hundred thirty-eight thousand, four hundred twenty-three".