1344023121420 has 72 divisors (see below), whose sum is σ = 4659280158624. Its totient is φ = 307205284608.

The previous prime is 1344023121409. The next prime is 1344023121499. The reversal of 1344023121420 is 241213204431.

1344023121420 is a `hidden beast` number, since 1 + 3 + 4 + 4 + 0 + 231 + 2 + 1 + 420 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 533341249 + ... + 533343768.

Almost surely, 2^{1344023121420} is an apocalyptic number.

1344023121420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344023121420 is an abundant number, since it is smaller than the sum of its proper divisors (3315257037204).

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

1344023121420 is a wasteful number, since it uses less digits than its factorization.

1344023121420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066685039 (or 1066685034 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1344023121420 its reverse (241213204431), we get a palindrome (1585236325851).

The spelling of 1344023121420 in words is "one trillion, three hundred forty-four billion, twenty-three million, one hundred twenty-one thousand, four hundred twenty".