405123354244907 has 2 divisors, whose sum is σ = 405123354244908. Its totient is φ = 405123354244906.

The previous prime is 405123354244883. The next prime is 405123354244937. The reversal of 405123354244907 is 709442453321504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 405123354244907 - 2²² = 405123350050603 is a prime.

It is a super-2 number, since 2×405123354244907² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (405123354244937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202561677122453 + 202561677122454.

It is an arithmetic number, because the mean of its divisors is an integer number (202561677122454).

Almost surely, 2^{405123354244907} is an apocalyptic number.

405123354244907 is a deficient number, since it is larger than the sum of its proper divisors (1).

405123354244907 is an equidigital number, since it uses as much as digits as its factorization.

405123354244907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14515200, while the sum is 53.

The spelling of 405123354244907 in words is "four hundred five trillion, one hundred twenty-three billion, three hundred fifty-four million, two hundred forty-four thousand, nine hundred seven".