104023215217 has 2 divisors, whose sum is σ = 104023215218. Its totient is φ = 104023215216.

The previous prime is 104023215199. The next prime is 104023215227. The reversal of 104023215217 is 712512320401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95902321761 + 8120893456 = 309681^2 + 90116^2 .

It is a cyclic number.

It is not a de Polignac number, because 104023215217 - 2¹¹ = 104023213169 is a prime.

It is not a weakly prime, because it can be changed into another prime (104023215227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52011607608 + 52011607609.

It is an arithmetic number, because the mean of its divisors is an integer number (52011607609).

Almost surely, 2^104023215217 is an apocalyptic number.

It is an amenable number.

104023215217 is a deficient number, since it is larger than the sum of its proper divisors (1).

104023215217 is an equidigital number, since it uses as much as digits as its factorization.

104023215217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

Adding to 104023215217 its reverse (712512320401), we get a palindrome (816535535618).

The spelling of 104023215217 in words is "one hundred four billion, twenty-three million, two hundred fifteen thousand, two hundred seventeen".