405123354244203 has 32 divisors (see below), whose sum is σ = 638831041920000. Its totient is φ = 223441802080896.

The previous prime is 405123354244187. The next prime is 405123354244207. The reversal of 405123354244203 is 302442453321504.

It is not a de Polignac number, because 405123354244203 - 2⁴ = 405123354244187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (405123354244207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109081776 + ... + 112734557.

It is an arithmetic number, because the mean of its divisors is an integer number (19963470060000).

Almost surely, 2^{405123354244203} is an apocalyptic number.

405123354244203 is a deficient number, since it is larger than the sum of its proper divisors (233707687675797).

405123354244203 is a wasteful number, since it uses less digits than its factorization.

405123354244203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221819371.

The product of its (nonzero) digits is 1382400, while the sum is 42.

The spelling of 405123354244203 in words is "four hundred five trillion, one hundred twenty-three billion, three hundred fifty-four million, two hundred forty-four thousand, two hundred three".