1423661432832 has 192 divisors, whose sum is σ = 4265084383560. Its totient is φ = 474551156736.

The previous prime is 1423661432827. The next prime is 1423661432849. The reversal of 1423661432832 is 2382341663241.

1423661432832 is a `hidden beast` number, since 1 + 4 + 2 + 3 + 6 + 614 + 3 + 28 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7873228 + ... + 8052020.

Almost surely, 2^{1423661432832} is an apocalyptic number.

1423661432832 is a gapful number since it is divisible by the number (12) 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 1423661432832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2132542191780).

1423661432832 is an abundant number, since it is smaller than the sum of its proper divisors (2841422950728).

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

1423661432832 is an frugal number, since it uses more digits than its factorization.

1423661432832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178838 (or 178798 counting only the distinct ones).

The product of its digits is 995328, while the sum is 45.

The spelling of 1423661432832 in words is "one trillion, four hundred twenty-three billion, six hundred sixty-one million, four hundred thirty-two thousand, eight hundred thirty-two".