42523230 has 32 divisors (see below), whose sum is σ = 103459104. Its totient is φ = 11183616.

The previous prime is 42523223. The next prime is 42523231. The reversal of 42523230 is 3232524.

42523230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42523197 and 42523206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42523231) 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 15 ways as a sum of consecutive naturals, for example, 7519 + ... + 11898.

It is an arithmetic number, because the mean of its divisors is an integer number (3233097).

Almost surely, 2^42523230 is an apocalyptic number.

42523230 is an abundant number, since it is smaller than the sum of its proper divisors (60935874).

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

42523230 is a wasteful number, since it uses less digits than its factorization.

42523230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19500.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 42523230 is about 6520.9838214797. The cubic root of 42523230 is about 349.0401729330.

Adding to 42523230 its reverse (3232524), we get a palindrome (45755754).

The spelling of 42523230 in words is "forty-two million, five hundred twenty-three thousand, two hundred thirty".