43340212233 has 24 divisors (see below), whose sum is σ = 68570728200. Its totient is φ = 26256136704.

The previous prime is 43340212231. The next prime is 43340212241. The reversal of 43340212233 is 33221204334.

43340212233 is a `hidden beast` number, since 4 + 33 + 402 + 1 + 223 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 26547162489 + 16793049744 = 162933^2 + 129588^2 .

It is not a de Polignac number, because 43340212233 - 2¹ = 43340212231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43340212197 and 43340212206.

It is not an unprimeable number, because it can be changed into a prime (43340212231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4879518 + ... + 4888391.

It is an arithmetic number, because the mean of its divisors is an integer number (2857113675).

Almost surely, 2^43340212233 is an apocalyptic number.

It is an amenable number.

43340212233 is a deficient number, since it is larger than the sum of its proper divisors (25230515967).

43340212233 is a wasteful number, since it uses less digits than its factorization.

43340212233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9767961 (or 9767958 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 43340212233 its reverse (33221204334), we get a palindrome (76561416567).

The spelling of 43340212233 in words is "forty-three billion, three hundred forty million, two hundred twelve thousand, two hundred thirty-three".