42355343423 has 4 divisors (see below), whose sum is σ = 42356042568. Its totient is φ = 42354644280.

The previous prime is 42355343399. The next prime is 42355343453. The reversal of 42355343423 is 32434355324.

42355343423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42355343423 - 2¹⁰ = 42355342399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42355343453) 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, 249068 + ... + 383073.

It is an arithmetic number, because the mean of its divisors is an integer number (10589010642).

Almost surely, 2^42355343423 is an apocalyptic number.

42355343423 is a deficient number, since it is larger than the sum of its proper divisors (699145).

42355343423 is an equidigital number, since it uses as much as digits as its factorization.

42355343423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699144.

The product of its digits is 518400, while the sum is 38.

Adding to 42355343423 its reverse (32434355324), we get a palindrome (74789698747).

The spelling of 42355343423 in words is "forty-two billion, three hundred fifty-five million, three hundred forty-three thousand, four hundred twenty-three".