280233 has 16 divisors (see below), whose sum is σ = 423360. Its totient is φ = 183168.

The previous prime is 280229. The next prime is 280243. The reversal of 280233 is 332082.

It is not a de Polignac number, because 280233 - 2² = 280229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (280223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2566 + ... + 2672.

It is an arithmetic number, because the mean of its divisors is an integer number (26460).

2²⁸⁰²³³ is an apocalyptic number.

It is an amenable number.

280233 is a deficient number, since it is larger than the sum of its proper divisors (143127).

280233 is a wasteful number, since it uses less digits than its factorization.

280233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 280233 is about 529.3703807355. The cubic root of 280233 is about 65.4394678023.

The spelling of 280233 in words is "two hundred eighty thousand, two hundred thirty-three".