1344650123213 has 4 divisors (see below), whose sum is σ = 1344652830780. Its totient is φ = 1344647415648.

The previous prime is 1344650123161. The next prime is 1344650123221. The reversal of 1344650123213 is 3123210564431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1327707716644 + 16942406569 = 1152262^2 + 130163^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1344650123213 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 (1344650129213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371048 + ... + 1681361.

It is an arithmetic number, because the mean of its divisors is an integer number (336163207695).

Almost surely, 2^{1344650123213} is an apocalyptic number.

It is an amenable number.

1344650123213 is a deficient number, since it is larger than the sum of its proper divisors (2707567).

1344650123213 is an equidigital number, since it uses as much as digits as its factorization.

1344650123213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2707566.

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 1344650123213 its reverse (3123210564431), we get a palindrome (4467860687644).

The spelling of 1344650123213 in words is "one trillion, three hundred forty-four billion, six hundred fifty million, one hundred twenty-three thousand, two hundred thirteen".