42203343403 has 16 divisors (see below), whose sum is σ = 45720183040. Its totient is φ = 38725651584.

The previous prime is 42203343397. The next prime is 42203343409. The reversal of 42203343403 is 30434330224.

It is an interprime number because it is at equal distance from previous prime (42203343397) and next prime (42203343409).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42203343403 is a prime.

It is a super-2 number, since 2×42203343403² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42203343409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2045125 + ... + 2065657.

It is an arithmetic number, because the mean of its divisors is an integer number (2857511440).

Almost surely, 2^42203343403 is an apocalyptic number.

42203343403 is a deficient number, since it is larger than the sum of its proper divisors (3516839637).

42203343403 is a wasteful number, since it uses less digits than its factorization.

42203343403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21478.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 42203343403 its reverse (30434330224), we get a palindrome (72637673627).

The spelling of 42203343403 in words is "forty-two billion, two hundred three million, three hundred forty-three thousand, four hundred three".