213232404343 has 16 divisors (see below), whose sum is σ = 244255689216. Its totient is φ = 182349732960.

The previous prime is 213232404331. The next prime is 213232404397. The reversal of 213232404343 is 343404232312.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-213232404343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213232404643) 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, 14122228 + ... + 14137318.

It is an arithmetic number, because the mean of its divisors is an integer number (15265980576).

Almost surely, 2^213232404343 is an apocalyptic number.

213232404343 is a deficient number, since it is larger than the sum of its proper divisors (31023284873).

213232404343 is a wasteful number, since it uses less digits than its factorization.

213232404343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19614.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 213232404343 its reverse (343404232312), we get a palindrome (556636636655).

The spelling of 213232404343 in words is "two hundred thirteen billion, two hundred thirty-two million, four hundred four thousand, three hundred forty-three".