43122152233 has 4 divisors (see below), whose sum is σ = 43269327108. Its totient is φ = 42974977360.

The previous prime is 43122152231. The next prime is 43122152237. The reversal of 43122152233 is 33225122134.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33225122134 = 2 ⋅16612561067.

It can be written as a sum of positive squares in 2 ways, for example, as 34831503424 + 8290648809 = 186632^2 + 91053^2 .

It is a cyclic number.

It is not a de Polignac number, because 43122152233 - 2¹ = 43122152231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43122152231) 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, 73586998 + ... + 73587583.

It is an arithmetic number, because the mean of its divisors is an integer number (10817331777).

Almost surely, 2^43122152233 is an apocalyptic number.

It is an amenable number.

43122152233 is a deficient number, since it is larger than the sum of its proper divisors (147174875).

43122152233 is a wasteful number, since it uses less digits than its factorization.

43122152233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147174874.

The product of its digits is 8640, while the sum is 28.

Adding to 43122152233 its reverse (33225122134), we get a palindrome (76347274367).

The spelling of 43122152233 in words is "forty-three billion, one hundred twenty-two million, one hundred fifty-two thousand, two hundred thirty-three".