42453354423 has 4 divisors (see below), whose sum is σ = 56604472568. Its totient is φ = 28302236280.

The previous prime is 42453354389. The next prime is 42453354439. The reversal of 42453354423 is 32445335424.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42453354423 - 2⁹ = 42453353911 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 (42453354443) 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, 7075559068 + ... + 7075559073.

It is an arithmetic number, because the mean of its divisors is an integer number (14151118142).

Almost surely, 2^42453354423 is an apocalyptic number.

42453354423 is a deficient number, since it is larger than the sum of its proper divisors (14151118145).

42453354423 is a wasteful number, since it uses less digits than its factorization.

42453354423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14151118144.

The product of its digits is 691200, while the sum is 39.

Adding to 42453354423 its reverse (32445335424), we get a palindrome (74898689847).

The spelling of 42453354423 in words is "forty-two billion, four hundred fifty-three million, three hundred fifty-four thousand, four hundred twenty-three".