104320123636555 has 16 divisors (see below), whose sum is σ = 127603022999904. Its totient is φ = 81851401313280.

The previous prime is 104320123636549. The next prime is 104320123636607. The reversal of 104320123636555 is 555636321023401.

It is not a de Polignac number, because 104320123636555 - 2¹³ = 104320123628363 is a prime.

It is a super-2 number, since 2×104320123636555² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492737382 + ... + 492949051.

It is an arithmetic number, because the mean of its divisors is an integer number (7975188937494).

Almost surely, 2^{104320123636555} is an apocalyptic number.

104320123636555 is a deficient number, since it is larger than the sum of its proper divisors (23282899363349).

104320123636555 is an equidigital number, since it uses as much as digits as its factorization.

104320123636555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985686846.

The product of its (nonzero) digits is 1944000, while the sum is 46.

Adding to 104320123636555 its reverse (555636321023401), we get a palindrome (659956444659956).

The spelling of 104320123636555 in words is "one hundred four trillion, three hundred twenty billion, one hundred twenty-three million, six hundred thirty-six thousand, five hundred fifty-five".