423112211340 has 192 divisors, whose sum is σ = 1461865466880. Its totient is φ = 89042088960.

The previous prime is 423112211339. The next prime is 423112211351. The reversal of 423112211340 is 43112211324.

It is a self number, because there is not a number n which added to its sum of digits gives 423112211340.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2024335 + ... + 2223545.

It is an arithmetic number, because the mean of its divisors is an integer number (7613882640).

Almost surely, 2^423112211340 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 423112211340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (730932733440).

423112211340 is an abundant number, since it is smaller than the sum of its proper divisors (1038753255540).

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

423112211340 is a wasteful number, since it uses less digits than its factorization.

423112211340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199632 (or 199630 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 423112211340 its reverse (43112211324), we get a palindrome (466224422664).

The spelling of 423112211340 in words is "four hundred twenty-three billion, one hundred twelve million, two hundred eleven thousand, three hundred forty".