42523356 has 12 divisors (see below), whose sum is σ = 99221192. Its totient is φ = 14174448.

The previous prime is 42523339. The next prime is 42523357. The reversal of 42523356 is 65332524.

42523356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42523357) 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 3 ways as a sum of consecutive naturals, for example, 1771795 + ... + 1771818.

Almost surely, 2^42523356 is an apocalyptic number.

It is an amenable number.

42523356 is an abundant number, since it is smaller than the sum of its proper divisors (56697836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42523356 is a wasteful number, since it uses less digits than its factorization.

42523356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3543620 (or 3543618 counting only the distinct ones).

The product of its digits is 21600, while the sum is 30.

The square root of 42523356 is about 6520.9934825914. The cubic root of 42523356 is about 349.0405176780.

The spelling of 42523356 in words is "forty-two million, five hundred twenty-three thousand, three hundred fifty-six".