1423763568000 has 640 divisors, whose sum is σ = 5362721432640. Its totient is φ = 374298624000.

The previous prime is 1423763567999. The next prime is 1423763568037. The reversal of 1423763568000 is 8653673241.

1423763568000 is a `hidden beast` number, since 1 + 4 + 2 + 3 + 7 + 635 + 6 + 8 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 92008264 + ... + 92023736.

Almost surely, 2^{1423763568000} is an apocalyptic number.

1423763568000 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 1423763568000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2681360716320).

1423763568000 is an abundant number, since it is smaller than the sum of its proper divisors (3938957864640).

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

1423763568000 is an equidigital number, since it uses as much as digits as its factorization.

1423763568000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15585 (or 15554 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 1423763568000 in words is "one trillion, four hundred twenty-three billion, seven hundred sixty-three million, five hundred sixty-eight thousand".