104320243234391 has 2 divisors, whose sum is σ = 104320243234392. Its totient is φ = 104320243234390.

The previous prime is 104320243234373. The next prime is 104320243234411. The reversal of 104320243234391 is 193432342023401.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104320243234391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104320243234351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52160121617195 + 52160121617196.

It is an arithmetic number, because the mean of its divisors is an integer number (52160121617196).

Almost surely, 2^{104320243234391} is an apocalyptic number.

104320243234391 is a deficient number, since it is larger than the sum of its proper divisors (1).

104320243234391 is an equidigital number, since it uses as much as digits as its factorization.

104320243234391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 41.

Adding to 104320243234391 its reverse (193432342023401), we get a palindrome (297752585257792).

The spelling of 104320243234391 in words is "one hundred four trillion, three hundred twenty billion, two hundred forty-three million, two hundred thirty-four thousand, three hundred ninety-one".