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108423 = 3271721
BaseRepresentation
bin11010011110000111
312111201200
4122132013
511432143
62153543
7631050
oct323607
9174650
10108423
1174507
12528b3
133a473
142b727
15221d3
hex1a787

108423 has 12 divisors (see below), whose sum is σ = 179088. Its totient is φ = 61920.

The previous prime is 108421. The next prime is 108439. The reversal of 108423 is 324801.

It is a happy number.

It is not a de Polignac number, because 108423 - 21 = 108421 is a prime.

108423 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 108396 and 108405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 798 + ... + 923.

It is an arithmetic number, because the mean of its divisors is an integer number (14924).

2108423 is an apocalyptic number.

108423 is a deficient number, since it is larger than the sum of its proper divisors (70665).

108423 is a wasteful number, since it uses less digits than its factorization.

108423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734 (or 1731 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 108423 is about 329.2764795730. The cubic root of 108423 is about 47.6841237725.

The spelling of 108423 in words is "one hundred eight thousand, four hundred twenty-three".

Divisors: 1 3 7 9 21 63 1721 5163 12047 15489 36141 108423