42322423 has 8 divisors (see below), whose sum is σ = 49721616. Its totient is φ = 35515200.

The previous prime is 42322403. The next prime is 42322439. The reversal of 42322423 is 32422324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42322423 - 2¹⁷ = 42191351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42322394 and 42322403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42322403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147838 + ... + 148123.

It is an arithmetic number, because the mean of its divisors is an integer number (6215202).

Almost surely, 2^42322423 is an apocalyptic number.

42322423 is a deficient number, since it is larger than the sum of its proper divisors (7399193).

42322423 is a wasteful number, since it uses less digits than its factorization.

42322423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295985.

The product of its digits is 2304, while the sum is 22.

The square root of 42322423 is about 6505.5686146562. The cubic root of 42322423 is about 348.4898829046.

Adding to 42322423 its reverse (32422324), we get a palindrome (74744747).

Subtracting from 42322423 its reverse (32422324), we obtain a palindrome (9900099).

The spelling of 42322423 in words is "forty-two million, three hundred twenty-two thousand, four hundred twenty-three".