423449226144 has 336 divisors, whose sum is σ = 1503682246080. Its totient is φ = 114616995840.

The previous prime is 423449226139. The next prime is 423449226157. The reversal of 423449226144 is 441622944324.

It is a happy number.

423449226144 is a `hidden beast` number, since 4 + 2 + 3 + 4 + 4 + 9 + 22 + 614 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 423449226144.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 3034384 + ... + 3170864.

It is an arithmetic number, because the mean of its divisors is an integer number (4475244780).

Almost surely, 2^423449226144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423449226144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (751841123040).

423449226144 is an abundant number, since it is smaller than the sum of its proper divisors (1080233019936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423449226144 is a wasteful number, since it uses less digits than its factorization.

423449226144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136535 (or 136512 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 45.

The spelling of 423449226144 in words is "four hundred twenty-three billion, four hundred forty-nine million, two hundred twenty-six thousand, one hundred forty-four".