873213823 has 8 divisors (see below), whose sum is σ = 930705120. Its totient is φ = 816403200.

The previous prime is 873213821. The next prime is 873213829. The reversal of 873213823 is 328312378.

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 873213823 - 2¹ = 873213821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873213821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167518 + ... + 172651.

It is an arithmetic number, because the mean of its divisors is an integer number (116338140).

Almost surely, 2^873213823 is an apocalyptic number.

873213823 is a deficient number, since it is larger than the sum of its proper divisors (57491297).

873213823 is a wasteful number, since it uses less digits than its factorization.

873213823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340337.

The product of its digits is 48384, while the sum is 37.

The square root of 873213823 is about 29550.1915899034. The cubic root of 873213823 is about 955.8143225671.

The spelling of 873213823 in words is "eight hundred seventy-three million, two hundred thirteen thousand, eight hundred twenty-three".