27445723 has 2 divisors, whose sum is σ = 27445724. Its totient is φ = 27445722.

The previous prime is 27445711. The next prime is 27445727. The reversal of 27445723 is 32754472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27445723 - 2²¹ = 25348571 is a prime.

It is not a weakly prime, because it can be changed into another prime (27445727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13722861 + 13722862.

It is an arithmetic number, because the mean of its divisors is an integer number (13722862).

Almost surely, 2^27445723 is an apocalyptic number.

27445723 is a deficient number, since it is larger than the sum of its proper divisors (1).

27445723 is an equidigital number, since it uses as much as digits as its factorization.

27445723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47040, while the sum is 34.

The square root of 27445723 is about 5238.8665758922. The cubic root of 27445723 is about 301.6418242450.

The spelling of 27445723 in words is "twenty-seven million, four hundred forty-five thousand, seven hundred twenty-three".