10404423217 has 2 divisors, whose sum is σ = 10404423218. Its totient is φ = 10404423216.

The previous prime is 10404423187. The next prime is 10404423257. The reversal of 10404423217 is 71232440401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8596812961 + 1807610256 = 92719^2 + 42516^2 .

It is a cyclic number.

It is not a de Polignac number, because 10404423217 - 2¹⁵ = 10404390449 is a prime.

It is not a weakly prime, because it can be changed into another prime (10404423257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5202211608 + 5202211609.

It is an arithmetic number, because the mean of its divisors is an integer number (5202211609).

Almost surely, 2^10404423217 is an apocalyptic number.

It is an amenable number.

10404423217 is a deficient number, since it is larger than the sum of its proper divisors (1).

10404423217 is an equidigital number, since it uses as much as digits as its factorization.

10404423217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 28.

Adding to 10404423217 its reverse (71232440401), we get a palindrome (81636863618).

The spelling of 10404423217 in words is "ten billion, four hundred four million, four hundred twenty-three thousand, two hundred seventeen".