213443012320323 has 16 divisors (see below), whose sum is σ = 289283842461600. Its totient is φ = 139949209255680.

The previous prime is 213443012320267. The next prime is 213443012320367. The reversal of 213443012320323 is 323023210344312.

It is not a de Polignac number, because 213443012320323 - 2¹⁸ = 213443012058179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213443012327323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54010338 + ... + 57827351.

It is an arithmetic number, because the mean of its divisors is an integer number (18080240153850).

Almost surely, 2^{213443012320323} is an apocalyptic number.

213443012320323 is a deficient number, since it is larger than the sum of its proper divisors (75840830141277).

213443012320323 is a wasteful number, since it uses less digits than its factorization.

213443012320323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111848182.

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 213443012320323 its reverse (323023210344312), we get a palindrome (536466222664635).

The spelling of 213443012320323 in words is "two hundred thirteen trillion, four hundred forty-three billion, twelve million, three hundred twenty thousand, three hundred twenty-three".