823127 has 2 divisors, whose sum is σ = 823128. Its totient is φ = 823126.

The previous prime is 823117. The next prime is 823129. The reversal of 823127 is 721328.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 823127 - 2¹² = 819031 is a prime.

Together with 823129, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (823129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411563 + 411564.

It is an arithmetic number, because the mean of its divisors is an integer number (411564).

2⁸²³¹²⁷ is an apocalyptic number.

823127 is a deficient number, since it is larger than the sum of its proper divisors (1).

823127 is an equidigital number, since it uses as much as digits as its factorization.

823127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 23.

The square root of 823127 is about 907.2634677975. The cubic root of 823127 is about 93.7178426005.

The spelling of 823127 in words is "eight hundred twenty-three thousand, one hundred twenty-seven".