423210432340 has 96 divisors (see below), whose sum is σ = 946356929280. Its totient is φ = 158632320000.

The previous prime is 423210432283. The next prime is 423210432383. The reversal of 423210432340 is 43234012324.

It is a junction number, because it is equal to n+sod(n) for n = 423210432299 and 423210432308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7013016 + ... + 7073104.

It is an arithmetic number, because the mean of its divisors is an integer number (9857884680).

Almost surely, 2^423210432340 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 423210432340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (473178464640).

423210432340 is an abundant number, since it is smaller than the sum of its proper divisors (523146496940).

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

423210432340 is a wasteful number, since it uses less digits than its factorization.

423210432340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60433 (or 60431 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 423210432340 its reverse (43234012324), we get a palindrome (466444444664).

The spelling of 423210432340 in words is "four hundred twenty-three billion, two hundred ten million, four hundred thirty-two thousand, three hundred forty".