14004312345 has 64 divisors (see below), whose sum is σ = 25252588800. Its totient is φ = 7454555712.

The previous prime is 14004312319. The next prime is 14004312347. The reversal of 14004312345 is 54321340041.

It is a happy number.

14004312345 is a `hidden beast` number, since 1 + 4 + 0 + 0 + 4 + 312 + 345 = 666.

It is not a de Polignac number, because 14004312345 - 2⁶ = 14004312281 is a prime.

It is a super-2 number, since 2×14004312345² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14004312347) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8080099 + ... + 8081831.

It is an arithmetic number, because the mean of its divisors is an integer number (394571700).

Almost surely, 2^14004312345 is an apocalyptic number.

14004312345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14004312345 is a deficient number, since it is larger than the sum of its proper divisors (11248276455).

14004312345 is an frugal number, since it uses more digits than its factorization.

14004312345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498 (or 2480 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 14004312345 its reverse (54321340041), we get a palindrome (68325652386).

The spelling of 14004312345 in words is "fourteen billion, four million, three hundred twelve thousand, three hundred forty-five".