1344623151321 has 12 divisors (see below), whose sum is σ = 1942316580672. Its totient is φ = 896377061976.

The previous prime is 1344623151307. The next prime is 1344623151337. The reversal of 1344623151321 is 1231513264431.

1344623151321 is a `hidden beast` number, since 1 + 3 + 4 + 4 + 623 + 1 + 5 + 1 + 3 + 21 = 666.

It is not a de Polignac number, because 1344623151321 - 2⁶ = 1344623151257 is a prime.

It is a super-2 number, since 2×1344623151321² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1344623155321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2974941 + ... + 3396986.

It is an arithmetic number, because the mean of its divisors is an integer number (161859715056).

Almost surely, 2^{1344623151321} is an apocalyptic number.

It is an amenable number.

1344623151321 is a deficient number, since it is larger than the sum of its proper divisors (597693429351).

1344623151321 is a wasteful number, since it uses less digits than its factorization.

1344623151321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6395380 (or 6395377 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The spelling of 1344623151321 in words is "one trillion, three hundred forty-four billion, six hundred twenty-three million, one hundred fifty-one thousand, three hundred twenty-one".