280312023 has 8 divisors (see below), whose sum is σ = 375521536. Its totient is φ = 185988600.

The previous prime is 280311991. The next prime is 280312033. The reversal of 280312023 is 320213082.

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

It is not a de Polignac number, because 280312023 - 2⁵ = 280311991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280312033) 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, 220783 + ... + 222048.

It is an arithmetic number, because the mean of its divisors is an integer number (46940192).

Almost surely, 2^280312023 is an apocalyptic number.

280312023 is a deficient number, since it is larger than the sum of its proper divisors (95209513).

280312023 is a wasteful number, since it uses less digits than its factorization.

280312023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443045.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 280312023 is about 16742.5214050931. The cubic root of 280312023 is about 654.4561832358.

The spelling of 280312023 in words is "two hundred eighty million, three hundred twelve thousand, twenty-three".