27680423 has 2 divisors, whose sum is σ = 27680424. Its totient is φ = 27680422.

The previous prime is 27680353. The next prime is 27680449. The reversal of 27680423 is 32408672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27680423 - 2²² = 23486119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27680423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27685423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13840211 + 13840212.

It is an arithmetic number, because the mean of its divisors is an integer number (13840212).

Almost surely, 2^27680423 is an apocalyptic number.

27680423 is a deficient number, since it is larger than the sum of its proper divisors (1).

27680423 is an equidigital number, since it uses as much as digits as its factorization.

27680423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 27680423 is about 5261.2187751509. The cubic root of 27680423 is about 302.4992072470.

The spelling of 27680423 in words is "twenty-seven million, six hundred eighty thousand, four hundred twenty-three".