42004303423 has 4 divisors (see below), whose sum is σ = 42006982248. Its totient is φ = 42001624600.

The previous prime is 42004303421. The next prime is 42004303457. The reversal of 42004303423 is 32430340024.

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 42004303423 - 2¹ = 42004303421 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 (42004303421) 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, 1315753 + ... + 1347298.

It is an arithmetic number, because the mean of its divisors is an integer number (10501745562).

Almost surely, 2^42004303423 is an apocalyptic number.

42004303423 is a deficient number, since it is larger than the sum of its proper divisors (2678825).

42004303423 is a wasteful number, since it uses less digits than its factorization.

42004303423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678824.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 42004303423 its reverse (32430340024), we get a palindrome (74434643447).

The spelling of 42004303423 in words is "forty-two billion, four million, three hundred three thousand, four hundred twenty-three".