213344134323 has 16 divisors (see below), whose sum is σ = 295746528000. Its totient is φ = 136634873760.

The previous prime is 213344134313. The next prime is 213344134349. The reversal of 213344134323 is 323431443312.

It is a happy number.

It is not a de Polignac number, because 213344134323 - 2⁴ = 213344134307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213344134313) 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, 6144073 + ... + 6178698.

It is an arithmetic number, because the mean of its divisors is an integer number (18484158000).

Almost surely, 2^213344134323 is an apocalyptic number.

213344134323 is a deficient number, since it is larger than the sum of its proper divisors (82402393677).

213344134323 is a wasteful number, since it uses less digits than its factorization.

213344134323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12323002.

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

Adding to 213344134323 its reverse (323431443312), we get a palindrome (536775577635).

The spelling of 213344134323 in words is "two hundred thirteen billion, three hundred forty-four million, one hundred thirty-four thousand, three hundred twenty-three".