1344991156823 has 8 divisors (see below), whose sum is σ = 1346405953536. Its totient is φ = 1343576619000.

The previous prime is 1344991156819. The next prime is 1344991156849. The reversal of 1344991156823 is 3286511994431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1344991156823 - 2² = 1344991156819 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344991146823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11387690 + ... + 11505192.

It is an arithmetic number, because the mean of its divisors is an integer number (168300744192).

Almost surely, 2^{1344991156823} is an apocalyptic number.

1344991156823 is a deficient number, since it is larger than the sum of its proper divisors (1414796713).

1344991156823 is a wasteful number, since it uses less digits than its factorization.

1344991156823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129445.

The product of its digits is 5598720, while the sum is 56.

The spelling of 1344991156823 in words is "one trillion, three hundred forty-four billion, nine hundred ninety-one million, one hundred fifty-six thousand, eight hundred twenty-three".