423633339228 has 384 divisors, whose sum is σ = 1186112471040. Its totient is φ = 116344800000.

The previous prime is 423633339209. The next prime is 423633339293. The reversal of 423633339228 is 822933336324.

It is a super-3 number, since 3×423633339228³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1687782103 + ... + 1687782353.

It is an arithmetic number, because the mean of its divisors is an integer number (3088834560).

Almost surely, 2^423633339228 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 423633339228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (593056235520).

423633339228 is an abundant number, since it is smaller than the sum of its proper divisors (762479131812).

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

423633339228 is a wasteful number, since it uses less digits than its factorization.

423633339228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 627 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 48.

The spelling of 423633339228 in words is "four hundred twenty-three billion, six hundred thirty-three million, three hundred thirty-nine thousand, two hundred twenty-eight".