1344423505 has 16 divisors (see below), whose sum is σ = 1624784400. Its totient is φ = 1067915520.

The previous prime is 1344423481. The next prime is 1344423547. The reversal of 1344423505 is 5053244431.

It can be written as a sum of positive squares in 8 ways, for example, as 14508481 + 1329915024 = 3809^2 + 36468^2 .

It is not a de Polignac number, because 1344423505 - 2¹¹ = 1344421457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480651 + ... + 483439.

It is an arithmetic number, because the mean of its divisors is an integer number (101549025).

Almost surely, 2^1344423505 is an apocalyptic number.

It is an amenable number.

1344423505 is a deficient number, since it is larger than the sum of its proper divisors (280360895).

1344423505 is a wasteful number, since it uses less digits than its factorization.

1344423505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 1344423505 is about 36666.3811276761. The cubic root of 1344423505 is about 1103.6855728817.

Adding to 1344423505 its reverse (5053244431), we get a palindrome (6397667936).

The spelling of 1344423505 in words is "one billion, three hundred forty-four million, four hundred twenty-three thousand, five hundred five".