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108923 is a prime number
BaseRepresentation
bin11010100101111011
312112102012
4122211323
511441143
62200135
7632363
oct324573
9175365
10108923
1174921
125304b
133a769
142b9a3
1522418
hex1a97b

108923 has 2 divisors, whose sum is σ = 108924. Its totient is φ = 108922.

The previous prime is 108917. The next prime is 108929. The reversal of 108923 is 329801.

It is a balanced prime because it is at equal distance from previous prime (108917) and next prime (108929).

It is an emirp because it is prime and its reverse (329801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108923 - 24 = 108907 is a prime.

It is not a weakly prime, because it can be changed into another prime (108929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54461 + 54462.

It is an arithmetic number, because the mean of its divisors is an integer number (54462).

2108923 is an apocalyptic number.

108923 is a deficient number, since it is larger than the sum of its proper divisors (1).

108923 is an equidigital number, since it uses as much as digits as its factorization.

108923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 108923 is about 330.0348466450. The cubic root of 108923 is about 47.7573109060.

Subtracting from 108923 its sum of digits (23), we obtain a square (108900 = 3302).

The spelling of 108923 in words is "one hundred eight thousand, nine hundred twenty-three".