42263523 has 6 divisors (see below), whose sum is σ = 61047324. Its totient is φ = 28175676.

The previous prime is 42263491. The next prime is 42263537. The reversal of 42263523 is 32536224.

42263523 is a `hidden beast` number, since 4 + 2 + 2 + 635 + 23 = 666.

42263523 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 42263523 - 2⁵ = 42263491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42263563) 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 in 5 ways as a sum of consecutive naturals, for example, 2347965 + ... + 2347982.

It is an arithmetic number, because the mean of its divisors is an integer number (10174554).

Almost surely, 2^42263523 is an apocalyptic number.

42263523 is a deficient number, since it is larger than the sum of its proper divisors (18783801).

42263523 is a wasteful number, since it uses less digits than its factorization.

42263523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4695953 (or 4695950 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 42263523 is about 6501.0401475456. The cubic root of 42263523 is about 348.3281437126.

Adding to 42263523 its reverse (32536224), we get a palindrome (74799747).

The spelling of 42263523 in words is "forty-two million, two hundred sixty-three thousand, five hundred twenty-three".