104404340243243 has 4 divisors (see below), whose sum is σ = 104522578455048. Its totient is φ = 104286102031440.

The previous prime is 104404340243239. The next prime is 104404340243257. The reversal of 104404340243243 is 342342043404401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 104404340243243 - 2² = 104404340243239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104404340243197 and 104404340243206.

It is not an unprimeable number, because it can be changed into a prime (104404340243233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59119104578 + ... + 59119106343.

It is an arithmetic number, because the mean of its divisors is an integer number (26130644613762).

Almost surely, 2^{104404340243243} is an apocalyptic number.

104404340243243 is a deficient number, since it is larger than the sum of its proper divisors (118238211805).

104404340243243 is an equidigital number, since it uses as much as digits as its factorization.

104404340243243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118238211804.

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 104404340243243 its reverse (342342043404401), we get a palindrome (446746383647644).

The spelling of 104404340243243 in words is "one hundred four trillion, four hundred four billion, three hundred forty million, two hundred forty-three thousand, two hundred forty-three".