213244424004323 has 4 divisors (see below), whose sum is σ = 213750942826608. Its totient is φ = 212737905182040.

The previous prime is 213244424004307. The next prime is 213244424004361. The reversal of 213244424004323 is 323400424442312.

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 213244424004323 - 2⁴ = 213244424004307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213244424004383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253259410511 + ... + 253259411352.

It is an arithmetic number, because the mean of its divisors is an integer number (53437735706652).

Almost surely, 2^{213244424004323} is an apocalyptic number.

213244424004323 is a deficient number, since it is larger than the sum of its proper divisors (506518822285).

213244424004323 is an equidigital number, since it uses as much as digits as its factorization.

213244424004323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506518822284.

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 213244424004323 its reverse (323400424442312), we get a palindrome (536644848446635).

The spelling of 213244424004323 in words is "two hundred thirteen trillion, two hundred forty-four billion, four hundred twenty-four million, four thousand, three hundred twenty-three".