42243323233 has 2 divisors, whose sum is σ = 42243323234. Its totient is φ = 42243323232.

The previous prime is 42243323167. The next prime is 42243323249. The reversal of 42243323233 is 33232334224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39470563584 + 2772759649 = 198672^2 + 52657^2 .

It is a cyclic number.

It is not a de Polignac number, because 42243323233 - 2¹⁷ = 42243192161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42243323195 and 42243323204.

It is not a weakly prime, because it can be changed into another prime (42243323293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21121661616 + 21121661617.

It is an arithmetic number, because the mean of its divisors is an integer number (21121661617).

Almost surely, 2^42243323233 is an apocalyptic number.

It is an amenable number.

42243323233 is a deficient number, since it is larger than the sum of its proper divisors (1).

42243323233 is an equidigital number, since it uses as much as digits as its factorization.

42243323233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 31.

Adding to 42243323233 its reverse (33232334224), we get a palindrome (75475657457).

The spelling of 42243323233 in words is "forty-two billion, two hundred forty-three million, three hundred twenty-three thousand, two hundred thirty-three".