423082128 has 120 divisors (see below), whose sum is σ = 1327202752. Its totient is φ = 113743872.

The previous prime is 423082061. The next prime is 423082129. The reversal of 423082128 is 821280324.

It is a junction number, because it is equal to n+sod(n) for n = 423082095 and 423082104.

It is not an unprimeable number, because it can be changed into a prime (423082129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94926 + ... + 99282.

Almost surely, 2^423082128 is an apocalyptic number.

423082128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423082128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663601376).

423082128 is an abundant number, since it is smaller than the sum of its proper divisors (904120624).

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

423082128 is a wasteful number, since it uses less digits than its factorization.

423082128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4409 (or 4386 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 423082128 is about 20568.9603043032. The cubic root of 423082128 is about 750.7146539212.

The spelling of 423082128 in words is "four hundred twenty-three million, eighty-two thousand, one hundred twenty-eight".