42423011 has 2 divisors, whose sum is σ = 42423012. Its totient is φ = 42423010.

The previous prime is 42422981. The next prime is 42423049. The reversal of 42423011 is 11032424.

42423011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42423011 - 2¹⁴ = 42406627 is a prime.

It is a super-2 number, since 2×42423011² = 3599423724612242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42423061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21211505 + 21211506.

It is an arithmetic number, because the mean of its divisors is an integer number (21211506).

Almost surely, 2^42423011 is an apocalyptic number.

42423011 is a deficient number, since it is larger than the sum of its proper divisors (1).

42423011 is an equidigital number, since it uses as much as digits as its factorization.

42423011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 42423011 is about 6513.2949418862. The cubic root of 42423011 is about 348.7657505851.

Adding to 42423011 its reverse (11032424), we get a palindrome (53455435).

The spelling of 42423011 in words is "forty-two million, four hundred twenty-three thousand, eleven".