423541544444 has 12 divisors (see below), whose sum is σ = 741566288568. Its totient is φ = 211665462000.

The previous prime is 423541544443. The next prime is 423541544501. The reversal of 423541544444 is 444445145324.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 423541544395 and 423541544404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423541544443) 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, 26318507 + ... + 26334594.

It is an arithmetic number, because the mean of its divisors is an integer number (61797190714).

Almost surely, 2^423541544444 is an apocalyptic number.

It is an amenable number.

423541544444 is a deficient number, since it is larger than the sum of its proper divisors (318024744124).

423541544444 is a wasteful number, since it uses less digits than its factorization.

423541544444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52655116 (or 52655114 counting only the distinct ones).

The product of its digits is 2457600, while the sum is 44.

Adding to 423541544444 its reverse (444445145324), we get a palindrome (867986689768).

The spelling of 423541544444 in words is "four hundred twenty-three billion, five hundred forty-one million, five hundred forty-four thousand, four hundred forty-four".