42434304233 has 2 divisors, whose sum is σ = 42434304234. Its totient is φ = 42434304232.

The previous prime is 42434304221. The next prime is 42434304257. The reversal of 42434304233 is 33240343424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25899430489 + 16534873744 = 160933^2 + 128588^2 .

It is a cyclic number.

It is not a de Polignac number, because 42434304233 - 2⁴ = 42434304217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42434304233.

It is not a weakly prime, because it can be changed into another prime (42434304533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21217152116 + 21217152117.

It is an arithmetic number, because the mean of its divisors is an integer number (21217152117).

Almost surely, 2^42434304233 is an apocalyptic number.

It is an amenable number.

42434304233 is a deficient number, since it is larger than the sum of its proper divisors (1).

42434304233 is an equidigital number, since it uses as much as digits as its factorization.

42434304233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 42434304233 its reverse (33240343424), we get a palindrome (75674647657).

The spelling of 42434304233 in words is "forty-two billion, four hundred thirty-four million, three hundred four thousand, two hundred thirty-three".