42321430303 has 4 divisors (see below), whose sum is σ = 42428033800. Its totient is φ = 42214826808.

The previous prime is 42321430273. The next prime is 42321430331. The reversal of 42321430303 is 30303412324.

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-42321430303 is a prime.

It is a super-2 number, since 2×42321430303² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42321430003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53301153 + ... + 53301946.

It is an arithmetic number, because the mean of its divisors is an integer number (10607008450).

Almost surely, 2^42321430303 is an apocalyptic number.

42321430303 is a deficient number, since it is larger than the sum of its proper divisors (106603497).

42321430303 is a wasteful number, since it uses less digits than its factorization.

42321430303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106603496.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 42321430303 its reverse (30303412324), we get a palindrome (72624842627).

The spelling of 42321430303 in words is "forty-two billion, three hundred twenty-one million, four hundred thirty thousand, three hundred three".