424456654423 has 32 divisors (see below), whose sum is σ = 455128819200. Its totient is φ = 394698096000.

The previous prime is 424456654421. The next prime is 424456654439. The reversal of 424456654423 is 324456654424.

It is a happy number.

It is not a de Polignac number, because 424456654423 - 2¹ = 424456654421 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424456654421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223279773 + ... + 223281673.

It is an arithmetic number, because the mean of its divisors is an integer number (14222775600).

Almost surely, 2^424456654423 is an apocalyptic number.

424456654423 is a deficient number, since it is larger than the sum of its proper divisors (30672164777).

424456654423 is a wasteful number, since it uses less digits than its factorization.

424456654423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983.

The product of its digits is 11059200, while the sum is 49.

Subtracting from 424456654423 its reverse (324456654424), we obtain a palindrome (99999999999).

The spelling of 424456654423 in words is "four hundred twenty-four billion, four hundred fifty-six million, six hundred fifty-four thousand, four hundred twenty-three".