10404423187 has 2 divisors, whose sum is σ = 10404423188. Its totient is φ = 10404423186.

The previous prime is 10404423137. The next prime is 10404423217. The reversal of 10404423187 is 78132440401.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10404423187 - 2¹⁵ = 10404390419 is a prime.

It is not a weakly prime, because it can be changed into another prime (10404423137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5202211593 + 5202211594.

It is an arithmetic number, because the mean of its divisors is an integer number (5202211594).

Almost surely, 2^10404423187 is an apocalyptic number.

10404423187 is a deficient number, since it is larger than the sum of its proper divisors (1).

10404423187 is an equidigital number, since it uses as much as digits as its factorization.

10404423187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 34.

Adding to 10404423187 its reverse (78132440401), we get a palindrome (88536863588).

The spelling of 10404423187 in words is "ten billion, four hundred four million, four hundred twenty-three thousand, one hundred eighty-seven".