14323011505 has 16 divisors (see below), whose sum is σ = 18794691648. Its totient is φ = 10391976000.

The previous prime is 14323011431. The next prime is 14323011517. The reversal of 14323011505 is 50511032341.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-14323011505 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14323011505.

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, 286131 + ... + 332440.

It is an arithmetic number, because the mean of its divisors is an integer number (1174668228).

Almost surely, 2^14323011505 is an apocalyptic number.

It is an amenable number.

14323011505 is a deficient number, since it is larger than the sum of its proper divisors (4471680143).

14323011505 is a wasteful number, since it uses less digits than its factorization.

14323011505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619008.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 14323011505 its reverse (50511032341), we get a palindrome (64834043846).

The spelling of 14323011505 in words is "fourteen billion, three hundred twenty-three million, eleven thousand, five hundred five".