1423200443312 has 120 divisors (see below), whose sum is σ = 3121595490816. Its totient is φ = 626989732864.

The previous prime is 1423200443293. The next prime is 1423200443323. The reversal of 1423200443312 is 2133440023241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4856183 + ... + 5140905.

Almost surely, 2^{1423200443312} 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 1423200443312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1560797745408).

1423200443312 is an abundant number, since it is smaller than the sum of its proper divisors (1698395047504).

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

1423200443312 is a wasteful number, since it uses less digits than its factorization.

1423200443312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284835 (or 284812 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 1423200443312 its reverse (2133440023241), we get a palindrome (3556640466553).

The spelling of 1423200443312 in words is "one trillion, four hundred twenty-three billion, two hundred million, four hundred forty-three thousand, three hundred twelve".