280071323 has 16 divisors (see below), whose sum is σ = 327953664. Its totient is φ = 234226080.

The previous prime is 280071293. The next prime is 280071331. The reversal of 280071323 is 323170082.

It is a cyclic number.

It is not a de Polignac number, because 280071323 - 2¹⁶ = 280005787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 280071292 and 280071301.

It is not an unprimeable number, because it can be changed into a prime (280071373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47393 + ... + 52973.

It is an arithmetic number, because the mean of its divisors is an integer number (20497104).

Almost surely, 2^280071323 is an apocalyptic number.

280071323 is a deficient number, since it is larger than the sum of its proper divisors (47882341).

280071323 is a wasteful number, since it uses less digits than its factorization.

280071323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5762.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 280071323 is about 16735.3315772350. The cubic root of 280071323 is about 654.2688054796.

The spelling of 280071323 in words is "two hundred eighty million, seventy-one thousand, three hundred twenty-three".