823044055 has 4 divisors (see below), whose sum is σ = 987652872. Its totient is φ = 658435240.

The previous prime is 823044043. The next prime is 823044059. The reversal of 823044055 is 550440328.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 823044055 - 2⁵ = 823044023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823044059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82304401 + ... + 82304410.

It is an arithmetic number, because the mean of its divisors is an integer number (246913218).

Almost surely, 2^823044055 is an apocalyptic number.

823044055 is a deficient number, since it is larger than the sum of its proper divisors (164608817).

823044055 is a wasteful number, since it uses less digits than its factorization.

823044055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164608816.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 823044055 is about 28688.7443956685. The cubic root of 823044055 is about 937.1469456966.

The spelling of 823044055 in words is "eight hundred twenty-three million, forty-four thousand, fifty-five".