42243403 has 8 divisors (see below), whose sum is σ = 44927120. Its totient is φ = 39605760.

The previous prime is 42243389. The next prime is 42243413. The reversal of 42243403 is 30434224.

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

It is a cyclic number.

It is not a de Polignac number, because 42243403 - 2⁵ = 42243371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42243413) 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 7 ways as a sum of consecutive naturals, for example, 9618 + ... + 13303.

It is an arithmetic number, because the mean of its divisors is an integer number (5615890).

Almost surely, 2^42243403 is an apocalyptic number.

42243403 is a deficient number, since it is larger than the sum of its proper divisors (2683717).

42243403 is a wasteful number, since it uses less digits than its factorization.

42243403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23037.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 42243403 is about 6499.4925186510. The cubic root of 42243403 is about 348.2728598320.

Adding to 42243403 its reverse (30434224), we get a palindrome (72677627).

The spelling of 42243403 in words is "forty-two million, two hundred forty-three thousand, four hundred three".