42423661303 has 4 divisors (see below), whose sum is σ = 42799092048. Its totient is φ = 42048230560.

The previous prime is 42423661223. The next prime is 42423661307. The reversal of 42423661303 is 30316632424.

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 42423661303 - 2³³ = 33833726711 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 (42423661307) 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, 187715203 + ... + 187715428.

It is an arithmetic number, because the mean of its divisors is an integer number (10699773012).

Almost surely, 2^42423661303 is an apocalyptic number.

42423661303 is a deficient number, since it is larger than the sum of its proper divisors (375430745).

42423661303 is a wasteful number, since it uses less digits than its factorization.

42423661303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375430744.

The product of its (nonzero) digits is 62208, while the sum is 34.

The spelling of 42423661303 in words is "forty-two billion, four hundred twenty-three million, six hundred sixty-one thousand, three hundred three".