42403030003 has 4 divisors (see below), whose sum is σ = 42589827720. Its totient is φ = 42216232288.

The previous prime is 42403029959. The next prime is 42403030051. The reversal of 42403030003 is 30003030424.

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

It is a cyclic number.

It is not a de Polignac number, because 42403030003 - 2³³ = 33813095411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42403030403) 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, 93398518 + ... + 93398971.

It is an arithmetic number, because the mean of its divisors is an integer number (10647456930).

Almost surely, 2^42403030003 is an apocalyptic number.

42403030003 is a deficient number, since it is larger than the sum of its proper divisors (186797717).

42403030003 is a wasteful number, since it uses less digits than its factorization.

42403030003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186797716.

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 42403030003 its reverse (30003030424), we get a palindrome (72406060427).

The spelling of 42403030003 in words is "forty-two billion, four hundred three million, thirty thousand, three".