823435914066 has 8 divisors (see below), whose sum is σ = 1646871828144. Its totient is φ = 274478638020.

The previous prime is 823435914029. The next prime is 823435914079. The reversal of 823435914066 is 660419534328.

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

823435914066 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68619659500 + ... + 68619659511.

It is an arithmetic number, because the mean of its divisors is an integer number (205858978518).

Almost surely, 2^823435914066 is an apocalyptic number.

823435914066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

823435914066 is a wasteful number, since it uses less digits than its factorization.

823435914066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137239319016.

The product of its (nonzero) digits is 3732480, while the sum is 51.

The spelling of 823435914066 in words is "eight hundred twenty-three billion, four hundred thirty-five million, nine hundred fourteen thousand, sixty-six".