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102923 = 195417
BaseRepresentation
bin11001001000001011
312020011222
4121020023
511243143
62112255
7606032
oct311013
9166158
10102923
1170367
124b68b
1337b02
1429719
1520768
hex1920b

102923 has 4 divisors (see below), whose sum is σ = 108360. Its totient is φ = 97488.

The previous prime is 102913. The next prime is 102929. The reversal of 102923 is 329201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102923 - 26 = 102859 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 102923.

It is not an unprimeable number, because it can be changed into a prime (102929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2690 + ... + 2727.

It is an arithmetic number, because the mean of its divisors is an integer number (27090).

2102923 is an apocalyptic number.

102923 is a deficient number, since it is larger than the sum of its proper divisors (5437).

102923 is an equidigital number, since it uses as much as digits as its factorization.

102923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5436.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 102923 is about 320.8161467258. The cubic root of 102923 is about 46.8637976193.

It can be divided in two parts, 10292 and 3, that multiplied together give a triangular number (30876 = T248).

The spelling of 102923 in words is "one hundred two thousand, nine hundred twenty-three".

Divisors: 1 19 5417 102923