823097 has 4 divisors (see below), whose sum is σ = 897936. Its totient is φ = 748260.

The previous prime is 823051. The next prime is 823117. The reversal of 823097 is 790328.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 823097 - 2⁶ = 823033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (823997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37403 + ... + 37424.

It is an arithmetic number, because the mean of its divisors is an integer number (224484).

2⁸²³⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

823097 is a deficient number, since it is larger than the sum of its proper divisors (74839).

823097 is a wasteful number, since it uses less digits than its factorization.

823097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74838.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 823097 is about 907.2469344120. The cubic root of 823097 is about 93.7167040280.

The spelling of 823097 in words is "eight hundred twenty-three thousand, ninety-seven".