42330123 has 24 divisors (see below), whose sum is σ = 67210416. Its totient is φ = 25459200.

The previous prime is 42330107. The next prime is 42330149. The reversal of 42330123 is 32103324.

It is not a de Polignac number, because 42330123 - 2⁴ = 42330107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42330096 and 42330105.

It is not an unprimeable number, because it can be changed into a prime (42330173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12003 + ... + 15123.

It is an arithmetic number, because the mean of its divisors is an integer number (2800434).

Almost surely, 2^42330123 is an apocalyptic number.

42330123 is a deficient number, since it is larger than the sum of its proper divisors (24880293).

42330123 is a wasteful number, since it uses less digits than its factorization.

42330123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3275 (or 3272 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 42330123 is about 6506.1603884319. The cubic root of 42330123 is about 348.5110159840.

Adding to 42330123 its reverse (32103324), we get a palindrome (74433447).

It can be divided in two parts, 423301 and 23, that added together give a palindrome (423324).

The spelling of 42330123 in words is "forty-two million, three hundred thirty thousand, one hundred twenty-three".