49823 has 2 divisors, whose sum is σ = 49824.
Its totient is φ = 49822.
The previous prime is 49811. The next prime is 49831. The reversal of 49823 is 32894.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 49823 - 24 = 49807 is a prime.
It is a plaindrome in base 12.
It is a junction number, because it is equal to n+sod(n) for n = 49792 and 49801.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (49843) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24911 + 24912.
It is an arithmetic number, because the mean of its divisors is an integer number (24912).
249823 is an apocalyptic number.
49823 is a deficient number, since it is larger than the sum of its proper divisors (1).
49823 is an equidigital number, since it uses as much as digits as its factorization.
49823 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1728, while the sum is 26.
The square root of 49823 is about 223.2106628277.
The cubic root of 49823 is about 36.7967920171.
The spelling of 49823 in words is "forty-nine thousand, eight hundred twenty-three".