43223240242 has 24 divisors (see below), whose sum is σ = 80235199296. Its totient is φ = 17099302896.

The previous prime is 43223240237. The next prime is 43223240243. The reversal of 43223240242 is 24204232234.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 43223240242.

It is not an unprimeable number, because it can be changed into a prime (43223240243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9131878 + ... + 9136609.

It is an arithmetic number, because the mean of its divisors is an integer number (3343133304).

Almost surely, 2^43223240242 is an apocalyptic number.

43223240242 is a deficient number, since it is larger than the sum of its proper divisors (37011959054).

43223240242 is a wasteful number, since it uses less digits than its factorization.

43223240242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18268522 (or 18268509 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 43223240242 its reverse (24204232234), we get a palindrome (67427472476).

The spelling of 43223240242 in words is "forty-three billion, two hundred twenty-three million, two hundred forty thousand, two hundred forty-two".