42252423 has 8 divisors (see below), whose sum is σ = 56545536. Its totient is φ = 28063800.

The previous prime is 42252341. The next prime is 42252451. The reversal of 42252423 is 32425224.

It is a happy number.

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

It is not a de Polignac number, because 42252423 - 2¹³ = 42244231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42252393 and 42252402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42252493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25173 + ... + 26798.

It is an arithmetic number, because the mean of its divisors is an integer number (7068192).

Almost surely, 2^42252423 is an apocalyptic number.

42252423 is a deficient number, since it is larger than the sum of its proper divisors (14293113).

42252423 is a wasteful number, since it uses less digits than its factorization.

42252423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52245.

The product of its digits is 3840, while the sum is 24.

The square root of 42252423 is about 6500.1863819432. The cubic root of 42252423 is about 348.2976463265.

Adding to 42252423 its reverse (32425224), we get a palindrome (74677647).

The spelling of 42252423 in words is "forty-two million, two hundred fifty-two thousand, four hundred twenty-three".