423311332112430 has 128 divisors (see below), whose sum is σ = 1058466649084416. Its totient is φ = 108260387827200.

The previous prime is 423311332112401. The next prime is 423311332112437. The reversal of 423311332112430 is 34211233113324.

It is a junction number, because it is equal to n+sod(n) for n = 423311332112391 and 423311332112400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423311332112437) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40221412 + ... + 49642568.

It is an arithmetic number, because the mean of its divisors is an integer number (8269270695972).

Almost surely, 2^{423311332112430} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423311332112430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (529233324542208).

423311332112430 is an abundant number, since it is smaller than the sum of its proper divisors (635155316971986).

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

423311332112430 is a wasteful number, since it uses less digits than its factorization.

423311332112430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9421842.

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 423311332112430 its reverse (34211233113324), we get a palindrome (457522565225754).

The spelling of 423311332112430 in words is "four hundred twenty-three trillion, three hundred eleven billion, three hundred thirty-two million, one hundred twelve thousand, four hundred thirty".