27923017 has 2 divisors, whose sum is σ = 27923018. Its totient is φ = 27923016.

The previous prime is 27922981. The next prime is 27923053. The reversal of 27923017 is 71032972.

It is a balanced prime because it is at equal distance from previous prime (27922981) and next prime (27923053).

It can be written as a sum of positive squares in only one way, i.e., 19749136 + 8173881 = 4444^2 + 2859^2 .

It is a cyclic number.

It is not a de Polignac number, because 27923017 - 2⁷ = 27922889 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27923017.

It is not a weakly prime, because it can be changed into another prime (27923057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13961508 + 13961509.

It is an arithmetic number, because the mean of its divisors is an integer number (13961509).

Almost surely, 2^27923017 is an apocalyptic number.

It is an amenable number.

27923017 is a deficient number, since it is larger than the sum of its proper divisors (1).

27923017 is an equidigital number, since it uses as much as digits as its factorization.

27923017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 27923017 is about 5284.2234055725. The cubic root of 27923017 is about 303.3803492178.

Adding to 27923017 its reverse (71032972), we get a palindrome (98955989).

The spelling of 27923017 in words is "twenty-seven million, nine hundred twenty-three thousand, seventeen".