108923197 has 2 divisors, whose sum is σ = 108923198. Its totient is φ = 108923196.

The previous prime is 108923179. The next prime is 108923209. The reversal of 108923197 is 791329801.

Together with previous prime (108923179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86322681 + 22600516 = 9291^2 + 4754^2 .

It is an emirp because it is prime and its reverse (791329801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108923197 - 2⁷ = 108923069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108923117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54461598 + 54461599.

It is an arithmetic number, because the mean of its divisors is an integer number (54461599).

Almost surely, 2^108923197 is an apocalyptic number.

It is an amenable number.

108923197 is a deficient number, since it is larger than the sum of its proper divisors (1).

108923197 is an equidigital number, since it uses as much as digits as its factorization.

108923197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 108923197 is about 10436.6276641452. The cubic root of 108923197 is about 477.5733969757.

The spelling of 108923197 in words is "one hundred eight million, nine hundred twenty-three thousand, one hundred ninety-seven".