9213573823 has 2 divisors, whose sum is σ = 9213573824. Its totient is φ = 9213573822.

The previous prime is 9213573821. The next prime is 9213573899. The reversal of 9213573823 is 3283753129.

It is a weak prime.

It is an emirp because it is prime and its reverse (3283753129) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9213573823 - 2¹ = 9213573821 is a prime.

Together with 9213573821, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 9213573823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9213573821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4606786911 + 4606786912.

It is an arithmetic number, because the mean of its divisors is an integer number (4606786912).

Almost surely, 2^9213573823 is an apocalyptic number.

9213573823 is a deficient number, since it is larger than the sum of its proper divisors (1).

9213573823 is an equidigital number, since it uses as much as digits as its factorization.

9213573823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 43.

The square root of 9213573823 is about 95987.3628296975. The cubic root of 9213573823 is about 2096.4091182451.

The spelling of 9213573823 in words is "nine billion, two hundred thirteen million, five hundred seventy-three thousand, eight hundred twenty-three".