42223403 has 4 divisors (see below), whose sum is σ = 42304968. Its totient is φ = 42141840.

The previous prime is 42223397. The next prime is 42223417. The reversal of 42223403 is 30432224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42223403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42223303) 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 3 ways as a sum of consecutive naturals, for example, 40001 + ... + 41042.

It is an arithmetic number, because the mean of its divisors is an integer number (10576242).

Almost surely, 2^42223403 is an apocalyptic number.

42223403 is a deficient number, since it is larger than the sum of its proper divisors (81565).

42223403 is an equidigital number, since it uses as much as digits as its factorization.

42223403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81564.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 42223403 is about 6497.9537548370. The cubic root of 42223403 is about 348.2178882763.

Adding to 42223403 its reverse (30432224), we get a palindrome (72655627).

The spelling of 42223403 in words is "forty-two million, two hundred twenty-three thousand, four hundred three".