2923 has 4 divisors (see below), whose sum is σ = 3040. Its totient is φ = 2808.
The previous prime is 2917. The next prime is 2927. The reversal of 2923 is 3292.
2923 is nontrivially palindromic in base 16.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 2923 - 29 = 2411 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
2923 is an undulating number in base 16.
2923 is a lucky number.
It is a plaindrome in base 7.
It is a nialpdrome in base 8.
It is a junction number, because it is equal to n+sod(n) for n = 2897 and 2906.
It is not an unprimeable number, because it can be changed into a prime (2927) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3 + ... + 76.
It is an arithmetic number, because the mean of its divisors is an integer number (760).
2923 is a deficient number, since it is larger than the sum of its proper divisors (117).
2923 is an equidigital number, since it uses as much as digits as its factorization.
2923 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116.
The product of its digits is 108, while the sum is 16.
The square root of 2923 is about 54.0647759637. The cubic root of 2923 is about 14.2980322329.
The spelling of 2923 in words is "two thousand, nine hundred twenty-three".
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