27671023 has 4 divisors (see below), whose sum is σ = 28345968. Its totient is φ = 26996080.

The previous prime is 27670991. The next prime is 27671027. The reversal of 27671023 is 32017672.

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 27671023 - 2⁵ = 27670991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27670982 and 27671000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27671027) 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, 337411 + ... + 337492.

It is an arithmetic number, because the mean of its divisors is an integer number (7086492).

Almost surely, 2^27671023 is an apocalyptic number.

27671023 is a deficient number, since it is larger than the sum of its proper divisors (674945).

27671023 is an equidigital number, since it uses as much as digits as its factorization.

27671023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674944.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 27671023 is about 5260.3253701649. The cubic root of 27671023 is about 302.4649614495.

Adding to 27671023 its reverse (32017672), we get a palindrome (59688695).

The spelling of 27671023 in words is "twenty-seven million, six hundred seventy-one thousand, twenty-three".