14123312321 has 2 divisors, whose sum is σ = 14123312322. Its totient is φ = 14123312320.

The previous prime is 14123312317. The next prime is 14123312341. The reversal of 14123312321 is 12321332141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13286020225 + 837292096 = 115265^2 + 28936^2 .

It is a cyclic number.

It is not a de Polignac number, because 14123312321 - 2² = 14123312317 is a prime.

It is not a weakly prime, because it can be changed into another prime (14123312341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7061656160 + 7061656161.

It is an arithmetic number, because the mean of its divisors is an integer number (7061656161).

Almost surely, 2^14123312321 is an apocalyptic number.

It is an amenable number.

14123312321 is a deficient number, since it is larger than the sum of its proper divisors (1).

14123312321 is an equidigital number, since it uses as much as digits as its factorization.

14123312321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

Adding to 14123312321 its reverse (12321332141), we get a palindrome (26444644462).

The spelling of 14123312321 in words is "fourteen billion, one hundred twenty-three million, three hundred twelve thousand, three hundred twenty-one".