14321432103991 has 2 divisors, whose sum is σ = 14321432103992. Its totient is φ = 14321432103990.

The previous prime is 14321432103977. The next prime is 14321432104039. The reversal of 14321432103991 is 19930123412341.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14321432103991 - 2⁵ = 14321432103959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14321432103971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7160716051995 + 7160716051996.

It is an arithmetic number, because the mean of its divisors is an integer number (7160716051996).

Almost surely, 2^{14321432103991} is an apocalyptic number.

14321432103991 is a deficient number, since it is larger than the sum of its proper divisors (1).

14321432103991 is an equidigital number, since it uses as much as digits as its factorization.

14321432103991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 43.

The spelling of 14321432103991 in words is "fourteen trillion, three hundred twenty-one billion, four hundred thirty-two million, one hundred three thousand, nine hundred ninety-one".