42240043303 has 2 divisors, whose sum is σ = 42240043304. Its totient is φ = 42240043302.

The previous prime is 42240043301. The next prime is 42240043331. The reversal of 42240043303 is 30334004224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42240043303 - 2¹ = 42240043301 is a prime.

Together with 42240043301, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42240043301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21120021651 + 21120021652.

It is an arithmetic number, because the mean of its divisors is an integer number (21120021652).

Almost surely, 2^42240043303 is an apocalyptic number.

42240043303 is a deficient number, since it is larger than the sum of its proper divisors (1).

42240043303 is an equidigital number, since it uses as much as digits as its factorization.

42240043303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 42240043303 its reverse (30334004224), we get a palindrome (72574047527).

The spelling of 42240043303 in words is "forty-two billion, two hundred forty million, forty-three thousand, three hundred three".