42004323 has 24 divisors (see below), whose sum is σ = 62400000. Its totient is φ = 27214704.

The previous prime is 42004321. The next prime is 42004343. The reversal of 42004323 is 32340024.

42004323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42004323 - 2¹ = 42004321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42004296 and 42004305.

It is not an unprimeable number, because it can be changed into a prime (42004321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83928 + ... + 84426.

It is an arithmetic number, because the mean of its divisors is an integer number (2600000).

Almost surely, 2^42004323 is an apocalyptic number.

42004323 is a deficient number, since it is larger than the sum of its proper divisors (20395677).

42004323 is a wasteful number, since it uses less digits than its factorization.

42004323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 42004323 is about 6481.0742165169. The cubic root of 42004323 is about 347.6145901614.

Adding to 42004323 its reverse (32340024), we get a palindrome (74344347).

The spelling of 42004323 in words is "forty-two million, four thousand, three hundred twenty-three".