423396387662160 has 640 divisors, whose sum is σ = 1537175944157184. Its totient is φ = 95259905556480.

The previous prime is 423396387662153. The next prime is 423396387662179. The reversal of 423396387662160 is 61266783693324.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a junction number, because it is equal to n+sod(n) for n = 423396387662091 and 423396387662100.

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 127 ways as a sum of consecutive naturals, for example, 19221689067 + ... + 19221711093.

Almost surely, 2^{423396387662160} is an apocalyptic number.

423396387662160 is a gapful number since it is divisible by the number (40) 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 423396387662160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (768587972078592).

423396387662160 is an abundant number, since it is smaller than the sum of its proper divisors (1113779556495024).

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

423396387662160 is a wasteful number, since it uses less digits than its factorization.

423396387662160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28011 (or 28005 counting only the distinct ones).

The product of its (nonzero) digits is 282175488, while the sum is 66.

The spelling of 423396387662160 in words is "four hundred twenty-three trillion, three hundred ninety-six billion, three hundred eighty-seven million, six hundred sixty-two thousand, one hundred sixty".