42024423 has 8 divisors (see below), whose sum is σ = 64037248. Its totient is φ = 24013944.

The previous prime is 42024401. The next prime is 42024457. The reversal of 42024423 is 32442024.

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

It is not a de Polignac number, because 42024423 - 2⁸ = 42024167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 2001163 = 42024423 / (4 + 2 + 0 + 2 + 4 + 4 + 2 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42024423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42024023) 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, 1000561 + ... + 1000602.

It is an arithmetic number, because the mean of its divisors is an integer number (8004656).

Almost surely, 2^42024423 is an apocalyptic number.

42024423 is a deficient number, since it is larger than the sum of its proper divisors (22012825).

42024423 is a wasteful number, since it uses less digits than its factorization.

42024423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001173.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 42024423 is about 6482.6246999190. The cubic root of 42024423 is about 347.6700284161.

Adding to 42024423 its reverse (32442024), we get a palindrome (74466447).

The spelling of 42024423 in words is "forty-two million, twenty-four thousand, four hundred twenty-three".