1423324432000 has 128 divisors (see below), whose sum is σ = 3565758905280. Its totient is φ = 564982912000.

The previous prime is 1423324431973. The next prime is 1423324432021. The reversal of 1423324432000 is 2344233241.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 1423324432000.

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 15 ways as a sum of consecutive naturals, for example, 1756467 + ... + 2435533.

Almost surely, 2^{1423324432000} is an apocalyptic number.

1423324432000 is a gapful number since it is divisible by the number (10) 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 1423324432000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1782879452640).

1423324432000 is an abundant number, since it is smaller than the sum of its proper divisors (2142434473280).

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

1423324432000 is an equidigital number, since it uses as much as digits as its factorization.

1423324432000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679227 (or 679205 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 1423324432000 its reverse (2344233241), we get a palindrome (1425668665241).

The spelling of 1423324432000 in words is "one trillion, four hundred twenty-three billion, three hundred twenty-four million, four hundred thirty-two thousand".