43216116233 has 4 divisors (see below), whose sum is σ = 43216789200. Its totient is φ = 43215443268.

The previous prime is 43216116221. The next prime is 43216116247. The reversal of 43216116233 is 33261161234.

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 a cyclic number.

It is not a de Polignac number, because 43216116233 - 2⁶ = 43216116169 is a prime.

It is a super-2 number, since 2×43216116233² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43216116233.

It is not an unprimeable number, because it can be changed into a prime (43216116263) 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, 228635 + ... + 372432.

It is an arithmetic number, because the mean of its divisors is an integer number (10804197300).

Almost surely, 2^43216116233 is an apocalyptic number.

It is an amenable number.

43216116233 is a deficient number, since it is larger than the sum of its proper divisors (672967).

43216116233 is an equidigital number, since it uses as much as digits as its factorization.

43216116233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672966.

The product of its digits is 15552, while the sum is 32.

Adding to 43216116233 its reverse (33261161234), we get a palindrome (76477277467).

The spelling of 43216116233 in words is "forty-three billion, two hundred sixteen million, one hundred sixteen thousand, two hundred thirty-three".