823366198473 has 64 divisors (see below), whose sum is σ = 1360097206272. Its totient is φ = 431434563840.

The previous prime is 823366198429. The next prime is 823366198483. The reversal of 823366198473 is 374891663328.

It is not a de Polignac number, because 823366198473 - 2¹² = 823366194377 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (823366198483) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 159348336 + ... + 159353502.

It is an arithmetic number, because the mean of its divisors is an integer number (21251518848).

Almost surely, 2^823366198473 is an apocalyptic number.

It is an amenable number.

823366198473 is a deficient number, since it is larger than the sum of its proper divisors (536731007799).

823366198473 is a wasteful number, since it uses less digits than its factorization.

823366198473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8934.

The product of its digits is 31352832, while the sum is 60.

The spelling of 823366198473 in words is "eight hundred twenty-three billion, three hundred sixty-six million, one hundred ninety-eight thousand, four hundred seventy-three".