27020423 has 4 divisors (see below), whose sum is σ = 28195248. Its totient is φ = 25845600.

The previous prime is 27020387. The next prime is 27020443. The reversal of 27020423 is 32402072.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27020423 - 2¹⁴ = 27004039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27020395 and 27020404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27020443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587378 + ... + 587423.

It is an arithmetic number, because the mean of its divisors is an integer number (7048812).

Almost surely, 2^27020423 is an apocalyptic number.

27020423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

27020423 is a deficient number, since it is larger than the sum of its proper divisors (1174825).

27020423 is a wasteful number, since it uses less digits than its factorization.

27020423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174824.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 27020423 is about 5198.1172553147. The cubic root of 27020423 is about 300.0756216770.

Adding to 27020423 its reverse (32402072), we get a palindrome (59422495).

The spelling of 27020423 in words is "twenty-seven million, twenty thousand, four hundred twenty-three".