1344634512423 has 4 divisors (see below), whose sum is σ = 1792846016568. Its totient is φ = 896423008280.

The previous prime is 1344634512371. The next prime is 1344634512427. The reversal of 1344634512423 is 3242154364431.

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

It is a cyclic number.

It is not a de Polignac number, because 1344634512423 - 2¹⁰ = 1344634511399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344634512427) 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 3 ways as a sum of consecutive naturals, for example, 224105752068 + ... + 224105752073.

It is an arithmetic number, because the mean of its divisors is an integer number (448211504142).

Almost surely, 2^{1344634512423} is an apocalyptic number.

1344634512423 is a deficient number, since it is larger than the sum of its proper divisors (448211504145).

1344634512423 is an equidigital number, since it uses as much as digits as its factorization.

1344634512423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448211504144.

The product of its digits is 829440, while the sum is 42.

Adding to 1344634512423 its reverse (3242154364431), we get a palindrome (4586788876854).

The spelling of 1344634512423 in words is "one trillion, three hundred forty-four billion, six hundred thirty-four million, five hundred twelve thousand, four hundred twenty-three".