423336129216 has 672 divisors, whose sum is σ = 1604542302720. Its totient is φ = 95520522240.

The previous prime is 423336129187. The next prime is 423336129217. The reversal of 423336129216 is 612921633324.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (423336129217) 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, 35934015 + ... + 35945793.

It is an arithmetic number, because the mean of its divisors is an integer number (2387711760).

Almost surely, 2^423336129216 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 423336129216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (802271151360).

423336129216 is an abundant number, since it is smaller than the sum of its proper divisors (1181206173504).

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

423336129216 is a wasteful number, since it uses less digits than its factorization.

423336129216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11853 (or 11832 counting only the distinct ones).

The product of its digits is 279936, while the sum is 42.

The spelling of 423336129216 in words is "four hundred twenty-three billion, three hundred thirty-six million, one hundred twenty-nine thousand, two hundred sixteen".