42345454323 has 4 divisors (see below), whose sum is σ = 56460605768. Its totient is φ = 28230302880.

The previous prime is 42345454321. The next prime is 42345454331. The reversal of 42345454323 is 32345454324.

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

It is not a de Polignac number, because 42345454323 - 2¹ = 42345454321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42345454321) 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, 7057575718 + ... + 7057575723.

It is an arithmetic number, because the mean of its divisors is an integer number (14115151442).

Almost surely, 2^42345454323 is an apocalyptic number.

42345454323 is a deficient number, since it is larger than the sum of its proper divisors (14115151445).

42345454323 is a wasteful number, since it uses less digits than its factorization.

42345454323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14115151444.

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

Subtracting from 42345454323 its reverse (32345454324), we obtain a palindrome (9999999999).

The spelling of 42345454323 in words is "forty-two billion, three hundred forty-five million, four hundred fifty-four thousand, three hundred twenty-three".