27530423 has 4 divisors (see below), whose sum is σ = 27602688. Its totient is φ = 27458160.

The previous prime is 27530407. The next prime is 27530441. The reversal of 27530423 is 32403572.

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 27530423 - 2⁴ = 27530407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27530392 and 27530401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27536423) 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, 35558 + ... + 36323.

It is an arithmetic number, because the mean of its divisors is an integer number (6900672).

Almost surely, 2^27530423 is an apocalyptic number.

27530423 is a deficient number, since it is larger than the sum of its proper divisors (72265).

27530423 is an equidigital number, since it uses as much as digits as its factorization.

27530423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72264.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 27530423 is about 5246.9441582696. The cubic root of 27530423 is about 301.9518036328.

Adding to 27530423 its reverse (32403572), we get a palindrome (59933995).

The spelling of 27530423 in words is "twenty-seven million, five hundred thirty thousand, four hundred twenty-three".