42344567 has 2 divisors, whose sum is σ = 42344568. Its totient is φ = 42344566.

The previous prime is 42344537. The next prime is 42344573. The reversal of 42344567 is 76544324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42344567 - 2⁶ = 42344503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42344527) 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, 21172283 + 21172284.

It is an arithmetic number, because the mean of its divisors is an integer number (21172284).

Almost surely, 2^42344567 is an apocalyptic number.

42344567 is a deficient number, since it is larger than the sum of its proper divisors (1).

42344567 is an equidigital number, since it uses as much as digits as its factorization.

42344567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 35.

The square root of 42344567 is about 6507.2703186513. The cubic root of 42344567 is about 348.5506514359.

The spelling of 42344567 in words is "forty-two million, three hundred forty-four thousand, five hundred sixty-seven".