42230623 has 8 divisors (see below), whose sum is σ = 42818400. Its totient is φ = 41647200.

The previous prime is 42230603. The next prime is 42230659. The reversal of 42230623 is 32603224.

It is a happy number.

42230623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42230623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42230594 and 42230603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42230603) 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 7 ways as a sum of consecutive naturals, for example, 21561 + ... + 23437.

It is an arithmetic number, because the mean of its divisors is an integer number (5352300).

Almost surely, 2^42230623 is an apocalyptic number.

42230623 is a deficient number, since it is larger than the sum of its proper divisors (587777).

42230623 is a wasteful number, since it uses less digits than its factorization.

42230623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 42230623 is about 6498.5092905989. The cubic root of 42230623 is about 348.2377350097.

Adding to 42230623 its reverse (32603224), we get a palindrome (74833847).

The spelling of 42230623 in words is "forty-two million, two hundred thirty thousand, six hundred twenty-three".