423164145432 has 192 divisors, whose sum is σ = 1322965440000. Its totient is φ = 112103357184.

The previous prime is 423164145377. The next prime is 423164145457. The reversal of 423164145432 is 234541461324.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 848694 + ... + 1251642.

It is an arithmetic number, because the mean of its divisors is an integer number (6890445000).

Almost surely, 2^423164145432 is an apocalyptic number.

423164145432 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 423164145432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (661482720000).

423164145432 is an abundant number, since it is smaller than the sum of its proper divisors (899801294568).

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

423164145432 is a wasteful number, since it uses less digits than its factorization.

423164145432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403038 (or 403027 counting only the distinct ones).

The product of its digits is 276480, while the sum is 39.

The spelling of 423164145432 in words is "four hundred twenty-three billion, one hundred sixty-four million, one hundred forty-five thousand, four hundred thirty-two".