823095217712 has 10 divisors (see below), whose sum is σ = 1594746984348. Its totient is φ = 411547608848.

The previous prime is 823095217673. The next prime is 823095217717. The reversal of 823095217712 is 217712590328.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (823095217717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25721725538 + ... + 25721725569.

Almost surely, 2^823095217712 is an apocalyptic number.

It is an amenable number.

823095217712 is a deficient number, since it is larger than the sum of its proper divisors (771651766636).

823095217712 is a wasteful number, since it uses less digits than its factorization.

823095217712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51443451115 (or 51443451109 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 823095217712 in words is "eight hundred twenty-three billion, ninety-five million, two hundred seventeen thousand, seven hundred twelve".