42330423 has 16 divisors (see below), whose sum is σ = 59875200. Its totient is φ = 26526240.

The previous prime is 42330389. The next prime is 42330427. The reversal of 42330423 is 32403324.

It is not a de Polignac number, because 42330423 - 2¹² = 42326327 is a prime.

It is a super-2 number, since 2×42330423² = 3583729422717858, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42330423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42330427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4633 + ... + 10301.

It is an arithmetic number, because the mean of its divisors is an integer number (3742200).

Almost surely, 2^42330423 is an apocalyptic number.

42330423 is a deficient number, since it is larger than the sum of its proper divisors (17544777).

42330423 is a wasteful number, since it uses less digits than its factorization.

42330423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5822.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 42330423 is about 6506.1834434636. The cubic root of 42330423 is about 348.5118392989.

Adding to 42330423 its reverse (32403324), we get a palindrome (74733747).

The spelling of 42330423 in words is "forty-two million, three hundred thirty thousand, four hundred twenty-three".