1421023373756 has 12 divisors (see below), whose sum is σ = 2842046747568. Its totient is φ = 609010017312.

The previous prime is 1421023373747. The next prime is 1421023373771. The reversal of 1421023373756 is 6573733201241.

1421023373756 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25375417361 + ... + 25375417416.

It is an arithmetic number, because the mean of its divisors is an integer number (236837228964).

Almost surely, 2^{1421023373756} is an apocalyptic number.

It is an amenable number.

1421023373756 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1421023373756 is a wasteful number, since it uses less digits than its factorization.

1421023373756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50750834788 (or 50750834786 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 44.

Adding to 1421023373756 its reverse (6573733201241), we get a palindrome (7994756574997).

The spelling of 1421023373756 in words is "one trillion, four hundred twenty-one billion, twenty-three million, three hundred seventy-three thousand, seven hundred fifty-six".