823381073 has 8 divisors (see below), whose sum is σ = 831999168. Its totient is φ = 814775184.

The previous prime is 823381067. The next prime is 823381087. The reversal of 823381073 is 370183328.

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

It is a cyclic number.

It is not a de Polignac number, because 823381073 - 2⁴ = 823381057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (823381063) 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, 203690 + ... + 207692.

It is an arithmetic number, because the mean of its divisors is an integer number (103999896).

Almost surely, 2^823381073 is an apocalyptic number.

It is an amenable number.

823381073 is a deficient number, since it is larger than the sum of its proper divisors (8618095).

823381073 is a wasteful number, since it uses less digits than its factorization.

823381073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6103.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 823381073 is about 28694.6174917875. The cubic root of 823381073 is about 937.2748417624.

The spelling of 823381073 in words is "eight hundred twenty-three million, three hundred eighty-one thousand, seventy-three".