394822032823 has 4 divisors (see below), whose sum is σ = 396247383400. Its totient is φ = 393396682248.

The previous prime is 394822032821. The next prime is 394822032833. The reversal of 394822032823 is 328230228493.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 394822032823 - 2¹ = 394822032821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394822032821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712674873 + ... + 712675426.

It is an arithmetic number, because the mean of its divisors is an integer number (99061845850).

Almost surely, 2^394822032823 is an apocalyptic number.

394822032823 is a deficient number, since it is larger than the sum of its proper divisors (1425350577).

394822032823 is a wasteful number, since it uses less digits than its factorization.

394822032823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425350576.

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 394822032823 in words is "three hundred ninety-four billion, eight hundred twenty-two million, thirty-two thousand, eight hundred twenty-three".