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108723973 is a prime number
BaseRepresentation
bin1100111101011…
…11111100000101
321120120202020211
412132233330011
5210313131343
614442155421
72460065341
oct636577405
9246522224
10108723973
115640aa26
12304b2b71
13196a9617
1410622621
15982979d
hex67aff05

108723973 has 2 divisors, whose sum is σ = 108723974. Its totient is φ = 108723972.

The previous prime is 108723971. The next prime is 108723983. The reversal of 108723973 is 379327801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82846404 + 25877569 = 9102^2 + 5087^2 .

It is a cyclic number.

It is not a de Polignac number, because 108723973 - 21 = 108723971 is a prime.

Together with 108723971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108723971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54361986 + 54361987.

It is an arithmetic number, because the mean of its divisors is an integer number (54361987).

Almost surely, 2108723973 is an apocalyptic number.

It is an amenable number.

108723973 is a deficient number, since it is larger than the sum of its proper divisors (1).

108723973 is an equidigital number, since it uses as much as digits as its factorization.

108723973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 108723973 is about 10427.0788334989. The cubic root of 108723973 is about 477.2820536216.

The spelling of 108723973 in words is "one hundred eight million, seven hundred twenty-three thousand, nine hundred seventy-three".