208923 has 16 divisors (see below), whose sum is σ = 327936. Its totient is φ = 116640.
The previous prime is 208907. The next prime is 208927. The reversal of 208923 is 329802.
It is not a de Polignac number, because 208923 - 24 = 208907 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 208893 and 208902.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (208927) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186 + ... + 672.
It is an arithmetic number, because the mean of its divisors is an integer number (20496).
2208923 is an apocalyptic number.
208923 is a deficient number, since it is larger than the sum of its proper divisors (119013).
208923 is a wasteful number, since it uses less digits than its factorization.
208923 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 514.
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 208923 is about 457.0809556304. The cubic root of 208923 is about 59.3374325606.
It can be divided in two parts, 2089 and 23, that added together give a palindrome (2112).
The spelling of 208923 in words is "two hundred eight thousand, nine hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •