1423336497984 has 448 divisors, whose sum is σ = 4641494400000. Its totient is φ = 425661530112.

The previous prime is 1423336497971. The next prime is 1423336498027. The reversal of 1423336497984 is 4897946333241.

It is a happy number.

1423336497984 is a `hidden beast` number, since 1 + 4 + 2 + 33 + 36 + 497 + 9 + 84 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 67289842 + ... + 67310990.

Almost surely, 2^{1423336497984} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1423336497984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2320747200000).

1423336497984 is an abundant number, since it is smaller than the sum of its proper divisors (3218157902016).

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

1423336497984 is a wasteful number, since it uses less digits than its factorization.

1423336497984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21295 (or 21279 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 63.

The spelling of 1423336497984 in words is "one trillion, four hundred twenty-three billion, three hundred thirty-six million, four hundred ninety-seven thousand, nine hundred eighty-four".