42431613423 has 8 divisors (see below), whose sum is σ = 56776821936. Its totient is φ = 28187073600.

The previous prime is 42431613397. The next prime is 42431613443. The reversal of 42431613423 is 32431613424.

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

It is not a de Polignac number, because 42431613423 - 2⁵ = 42431613391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42431613443) 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, 25166188 + ... + 25167873.

It is an arithmetic number, because the mean of its divisors is an integer number (7097102742).

Almost surely, 2^42431613423 is an apocalyptic number.

42431613423 is a deficient number, since it is larger than the sum of its proper divisors (14345208513).

42431613423 is a wasteful number, since it uses less digits than its factorization.

42431613423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50334345.

The product of its digits is 41472, while the sum is 33.

Subtracting from 42431613423 its reverse (32431613424), we obtain a palindrome (9999999999).

The spelling of 42431613423 in words is "forty-two billion, four hundred thirty-one million, six hundred thirteen thousand, four hundred twenty-three".