42238303 has 2 divisors, whose sum is σ = 42238304. Its totient is φ = 42238302.

The previous prime is 42238283. The next prime is 42238307. The reversal of 42238303 is 30383224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42238303 - 2⁵ = 42238271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42238307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21119151 + 21119152.

It is an arithmetic number, because the mean of its divisors is an integer number (21119152).

Almost surely, 2^42238303 is an apocalyptic number.

42238303 is a deficient number, since it is larger than the sum of its proper divisors (1).

42238303 is an equidigital number, since it uses as much as digits as its factorization.

42238303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 42238303 is about 6499.1001684849. The cubic root of 42238303 is about 348.2588437337.

The spelling of 42238303 in words is "forty-two million, two hundred thirty-eight thousand, three hundred three".