280230093 has 24 divisors (see below), whose sum is σ = 475544160. Its totient is φ = 156771360.

The previous prime is 280230079. The next prime is 280230101. The reversal of 280230093 is 390032082.

It is not a de Polignac number, because 280230093 - 2⁴ = 280230077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280230053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107583 + ... + 110156.

It is an arithmetic number, because the mean of its divisors is an integer number (19814340).

Almost surely, 2^280230093 is an apocalyptic number.

It is an amenable number.

280230093 is a deficient number, since it is larger than the sum of its proper divisors (195314067).

280230093 is a wasteful number, since it uses less digits than its factorization.

280230093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217769 (or 217766 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 280230093 is about 16740.0744622000. The cubic root of 280230093 is about 654.3924152255.

The spelling of 280230093 in words is "two hundred eighty million, two hundred thirty thousand, ninety-three".