1344423133 has 4 divisors (see below), whose sum is σ = 1345467420. Its totient is φ = 1343378848.

The previous prime is 1344423131. The next prime is 1344423137. The reversal of 1344423133 is 3313244431.

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 507015289 + 837407844 = 22517^2 + 28938^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344423133 - 2¹ = 1344423131 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 (1344423131) 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, 520210 + ... + 522787.

It is an arithmetic number, because the mean of its divisors is an integer number (336366855).

Almost surely, 2^1344423133 is an apocalyptic number.

It is an amenable number.

1344423133 is a deficient number, since it is larger than the sum of its proper divisors (1044287).

1344423133 is a wasteful number, since it uses less digits than its factorization.

1344423133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044286.

The product of its digits is 10368, while the sum is 28.

The square root of 1344423133 is about 36666.3760549089. The cubic root of 1344423133 is about 1103.6854710856.

Adding to 1344423133 its reverse (3313244431), we get a palindrome (4657667564).

The spelling of 1344423133 in words is "one billion, three hundred forty-four million, four hundred twenty-three thousand, one hundred thirty-three".