912823 has 2 divisors, whose sum is σ = 912824. Its totient is φ = 912822.

The previous prime is 912809. The next prime is 912829. The reversal of 912823 is 328219.

912823 is nontrivially palindromic in base 3.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-912823 is a prime.

It is a plaindrome in base 8.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (912829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456411 + 456412.

It is an arithmetic number, because the mean of its divisors is an integer number (456412).

2⁹¹²⁸²³ is an apocalyptic number.

912823 is a deficient number, since it is larger than the sum of its proper divisors (1).

912823 is an equidigital number, since it uses as much as digits as its factorization.

912823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 25.

The square root of 912823 is about 955.4177096956. The cubic root of 912823 is about 97.0053137699.

The spelling of 912823 in words is "nine hundred twelve thousand, eight hundred twenty-three".