42003204243 has 32 divisors (see below), whose sum is σ = 75194552832. Its totient is φ = 20141395200.

The previous prime is 42003204239. The next prime is 42003204251. The reversal of 42003204243 is 34240230024.

It is not a de Polignac number, because 42003204243 - 2² = 42003204239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42003204253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6990538 + ... + 6996543.

It is an arithmetic number, because the mean of its divisors is an integer number (2349829776).

Almost surely, 2^42003204243 is an apocalyptic number.

42003204243 is a deficient number, since it is larger than the sum of its proper divisors (33191348589).

42003204243 is a wasteful number, since it uses less digits than its factorization.

42003204243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13987115.

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 42003204243 its reverse (34240230024), we get a palindrome (76243434267).

The spelling of 42003204243 in words is "forty-two billion, three million, two hundred four thousand, two hundred forty-three".