42435257303 has 4 divisors (see below), whose sum is σ = 42495110280. Its totient is φ = 42375404328.

The previous prime is 42435257299. The next prime is 42435257311. The reversal of 42435257303 is 30375253424.

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 42435257303 - 2² = 42435257299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42435257003) 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, 29925425 + ... + 29926842.

It is an arithmetic number, because the mean of its divisors is an integer number (10623777570).

Almost surely, 2^42435257303 is an apocalyptic number.

42435257303 is a deficient number, since it is larger than the sum of its proper divisors (59852977).

42435257303 is an equidigital number, since it uses as much as digits as its factorization.

42435257303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59852976.

The product of its (nonzero) digits is 302400, while the sum is 38.

The spelling of 42435257303 in words is "forty-two billion, four hundred thirty-five million, two hundred fifty-seven thousand, three hundred three".