423305433012 has 288 divisors, whose sum is σ = 1312243559424. Its totient is φ = 104821516800.

The previous prime is 423305433011. The next prime is 423305433029. The reversal of 423305433012 is 210334503324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423305433011) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 46558587 + ... + 46567677.

It is an arithmetic number, because the mean of its divisors is an integer number (4556401248).

Almost surely, 2^423305433012 is an apocalyptic number.

423305433012 is a gapful number since it is divisible by the number (42) 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 423305433012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (656121779712).

423305433012 is an abundant number, since it is smaller than the sum of its proper divisors (888938126412).

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

423305433012 is a wasteful number, since it uses less digits than its factorization.

423305433012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9459 (or 9450 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 423305433012 its reverse (210334503324), we get a palindrome (633639936336).

The spelling of 423305433012 in words is "four hundred twenty-three billion, three hundred five million, four hundred thirty-three thousand, twelve".