405123354244207 has 2 divisors, whose sum is σ = 405123354244208. Its totient is φ = 405123354244206.

The previous prime is 405123354244187. The next prime is 405123354244331. The reversal of 405123354244207 is 702442453321504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 405123354244207 - 2³¹ = 405121206760559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405123354244907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202561677122103 + 202561677122104.

It is an arithmetic number, because the mean of its divisors is an integer number (202561677122104).

Almost surely, 2^{405123354244207} is an apocalyptic number.

405123354244207 is a deficient number, since it is larger than the sum of its proper divisors (1).

405123354244207 is an equidigital number, since it uses as much as digits as its factorization.

405123354244207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3225600, while the sum is 46.

The spelling of 405123354244207 in words is "four hundred five trillion, one hundred twenty-three billion, three hundred fifty-four million, two hundred forty-four thousand, two hundred seven".