7973823 has 16 divisors (see below), whose sum is σ = 12491136. Its totient is φ = 4460640.

The previous prime is 7973813. The next prime is 7973837. The reversal of 7973823 is 3283797.

It is not a de Polignac number, because 7973823 - 2⁴ = 7973807 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a d-powerful number, because it can be written as 7³ + 9⁵ + 7⁸ + 3³ + 8⁵ + 2²¹ + 3⁹ .

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7973813) 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 15 ways as a sum of consecutive naturals, for example, 8865 + ... + 9722.

It is an arithmetic number, because the mean of its divisors is an integer number (780696).

Almost surely, 2^7973823 is an apocalyptic number.

7973823 is a deficient number, since it is larger than the sum of its proper divisors (4517313).

7973823 is a wasteful number, since it uses less digits than its factorization.

7973823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18614.

The product of its digits is 63504, while the sum is 39.

The square root of 7973823 is about 2823.7958495614. The cubic root of 7973823 is about 199.7816199709.

The spelling of 7973823 in words is "seven million, nine hundred seventy-three thousand, eight hundred twenty-three".