423220124444 has 12 divisors (see below), whose sum is σ = 797607157704. Its totient is φ = 195332365104.

The previous prime is 423220124413. The next prime is 423220124461. The reversal of 423220124444 is 444421022324.

It is a self number, because there is not a number n which added to its sum of digits gives 423220124444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4069424222 + ... + 4069424325.

It is an arithmetic number, because the mean of its divisors is an integer number (66467263142).

Almost surely, 2^423220124444 is an apocalyptic number.

It is an amenable number.

423220124444 is a deficient number, since it is larger than the sum of its proper divisors (374387033260).

423220124444 is a wasteful number, since it uses less digits than its factorization.

423220124444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8138848564 (or 8138848562 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 423220124444 its reverse (444421022324), we get a palindrome (867641146768).

The spelling of 423220124444 in words is "four hundred twenty-three billion, two hundred twenty million, one hundred twenty-four thousand, four hundred forty-four".