42023135 has 48 divisors (see below), whose sum is σ = 66189312. Its totient is φ = 25300800.

The previous prime is 42023129. The next prime is 42023147. The reversal of 42023135 is 53132024.

It is a happy number.

42023135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42023135 - 2⁴ = 42023119 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 47 ways as a sum of consecutive naturals, for example, 83294 + ... + 83796.

It is an arithmetic number, because the mean of its divisors is an integer number (1378944).

Almost surely, 2^42023135 is an apocalyptic number.

42023135 is a deficient number, since it is larger than the sum of its proper divisors (24166177).

42023135 is a wasteful number, since it uses less digits than its factorization.

42023135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564 (or 557 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 42023135 is about 6482.5253566801. The cubic root of 42023135 is about 347.6664764849. Note that the first 3 decimals are identical.

Adding to 42023135 its reverse (53132024), we get a palindrome (95155159).

Subtracting 42023135 from its reverse (53132024), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 4202 and 3135, that added together give a palindrome (7337).

The spelling of 42023135 in words is "forty-two million, twenty-three thousand, one hundred thirty-five".