1343421443320 has 64 divisors (see below), whose sum is σ = 3297612902400. Its totient is φ = 488498532480.

The previous prime is 1343421443267. The next prime is 1343421443323. The reversal of 1343421443320 is 233441243431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343421443323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18425577 + ... + 18498343.

It is an arithmetic number, because the mean of its divisors is an integer number (51525201600).

Almost surely, 2^{1343421443320} is an apocalyptic number.

1343421443320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1343421443320 is an abundant number, since it is smaller than the sum of its proper divisors (1954191459080).

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

1343421443320 is a wasteful number, since it uses less digits than its factorization.

1343421443320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114748 (or 114744 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 1343421443320 its reverse (233441243431), we get a palindrome (1576862686751).

The spelling of 1343421443320 in words is "one trillion, three hundred forty-three billion, four hundred twenty-one million, four hundred forty-three thousand, three hundred twenty".