43234142233 has 4 divisors (see below), whose sum is σ = 43252487460. Its totient is φ = 43215797008.

The previous prime is 43234142209. The next prime is 43234142257. The reversal of 43234142233 is 33224143234.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (43234142209) and next prime (43234142257).

It can be written as a sum of positive squares in 2 ways, for example, as 22120017984 + 21114124249 = 148728^2 + 145307^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43234142233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43234142195 and 43234142204.

It is not an unprimeable number, because it can be changed into a prime (43234140233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9169078 + ... + 9173791.

It is an arithmetic number, because the mean of its divisors is an integer number (10813121865).

Almost surely, 2^43234142233 is an apocalyptic number.

It is an amenable number.

43234142233 is a deficient number, since it is larger than the sum of its proper divisors (18345227).

43234142233 is a wasteful number, since it uses less digits than its factorization.

43234142233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18345226.

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

Adding to 43234142233 its reverse (33224143234), we get a palindrome (76458285467).

The spelling of 43234142233 in words is "forty-three billion, two hundred thirty-four million, one hundred forty-two thousand, two hundred thirty-three".