42423611 has 2 divisors, whose sum is σ = 42423612. Its totient is φ = 42423610.

The previous prime is 42423559. The next prime is 42423613. The reversal of 42423611 is 11632424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42423611 - 2¹⁰ = 42422587 is a prime.

Together with 42423613, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42423613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21211805 + 21211806.

It is an arithmetic number, because the mean of its divisors is an integer number (21211806).

Almost surely, 2^42423611 is an apocalyptic number.

42423611 is a deficient number, since it is larger than the sum of its proper divisors (1).

42423611 is an equidigital number, since it uses as much as digits as its factorization.

42423611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

The square root of 42423611 is about 6513.3410013602. The cubic root of 42423611 is about 348.7673948065.

It can be divided in two parts, 42423 and 611, that added together give a palindrome (43034).

The spelling of 42423611 in words is "forty-two million, four hundred twenty-three thousand, six hundred eleven".