27239423 has 8 divisors (see below), whose sum is σ = 28888992. Its totient is φ = 25595136.

The previous prime is 27239411. The next prime is 27239431. The reversal of 27239423 is 32493272.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27239423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27239423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27239473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15611 + ... + 17267.

It is an arithmetic number, because the mean of its divisors is an integer number (3611124).

Almost surely, 2^27239423 is an apocalyptic number.

27239423 is a deficient number, since it is larger than the sum of its proper divisors (1649569).

27239423 is a wasteful number, since it uses less digits than its factorization.

27239423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2641.

The product of its digits is 18144, while the sum is 32.

The square root of 27239423 is about 5219.1400632671. The cubic root of 27239423 is about 300.8841435924.

The spelling of 27239423 in words is "twenty-seven million, two hundred thirty-nine thousand, four hundred twenty-three".