280327205123 has 8 divisors (see below), whose sum is σ = 322712445792. Its totient is φ = 238526588736.

The previous prime is 280327205117. The next prime is 280327205311. The reversal of 280327205123 is 321502723082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 280327205123 - 2¹⁸ = 280326942979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (280327205723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146155040 + ... + 146156957.

It is an arithmetic number, because the mean of its divisors is an integer number (40339055724).

Almost surely, 2^280327205123 is an apocalyptic number.

280327205123 is a deficient number, since it is larger than the sum of its proper divisors (42385240669).

280327205123 is a wasteful number, since it uses less digits than its factorization.

280327205123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292312141.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 280327205123 in words is "two hundred eighty billion, three hundred twenty-seven million, two hundred five thousand, one hundred twenty-three".