823405227 has 8 divisors (see below), whose sum is σ = 1108744080. Its totient is φ = 543501600.

The previous prime is 823405213. The next prime is 823405241. The reversal of 823405227 is 722504328.

It is an interprime number because it is at equal distance from previous prime (823405213) and next prime (823405241).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 823405227 - 2⁴ = 823405211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (823405927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1358452 + ... + 1359057.

It is an arithmetic number, because the mean of its divisors is an integer number (138593010).

Almost surely, 2^823405227 is an apocalyptic number.

823405227 is a deficient number, since it is larger than the sum of its proper divisors (285338853).

823405227 is a wasteful number, since it uses less digits than its factorization.

823405227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2717613.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 823405227 is about 28695.0383690282. The cubic root of 823405227 is about 937.2840067027.

The spelling of 823405227 in words is "eight hundred twenty-three million, four hundred five thousand, two hundred twenty-seven".