42423200232423 has 4 divisors (see below), whose sum is σ = 56564266976568. Its totient is φ = 28282133488280.

The previous prime is 42423200232383. The next prime is 42423200232437. The reversal of 42423200232423 is 32423200232424.

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 42423200232423 - 2¹⁶ = 42423200166887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42423200234423) 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, 7070533372068 + ... + 7070533372073.

It is an arithmetic number, because the mean of its divisors is an integer number (14141066744142).

Almost surely, 2^{42423200232423} is an apocalyptic number.

42423200232423 is a deficient number, since it is larger than the sum of its proper divisors (14141066744145).

42423200232423 is a wasteful number, since it uses less digits than its factorization.

42423200232423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14141066744144.

The product of its (nonzero) digits is 110592, while the sum is 33.

Adding to 42423200232423 its reverse (32423200232424), we get a palindrome (74846400464847).

Subtracting from 42423200232423 its reverse (32423200232424), we obtain a palindrome (9999999999999).

The spelling of 42423200232423 in words is "forty-two trillion, four hundred twenty-three billion, two hundred million, two hundred thirty-two thousand, four hundred twenty-three".