43223134213 has 4 divisors (see below), whose sum is σ = 49397867680. Its totient is φ = 37048400748.

The previous prime is 43223134189. The next prime is 43223134237. The reversal of 43223134213 is 31243132234.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (43223134189) and next prime (43223134237).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43223134213 is a prime.

It is a super-2 number, since 2×43223134213² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43223114213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3087366723 + ... + 3087366736.

It is an arithmetic number, because the mean of its divisors is an integer number (12349466920).

Almost surely, 2^43223134213 is an apocalyptic number.

It is an amenable number.

43223134213 is a deficient number, since it is larger than the sum of its proper divisors (6174733467).

43223134213 is an equidigital number, since it uses as much as digits as its factorization.

43223134213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6174733466.

The product of its digits is 10368, while the sum is 28.

Adding to 43223134213 its reverse (31243132234), we get a palindrome (74466266447).

The spelling of 43223134213 in words is "forty-three billion, two hundred twenty-three million, one hundred thirty-four thousand, two hundred thirteen".