280230112 has 12 divisors (see below), whose sum is σ = 551703096. Its totient is φ = 140115040.

The previous prime is 280230101. The next prime is 280230149. The reversal of 280230112 is 211032082.

It is a self number, because there is not a number n which added to its sum of digits gives 280230112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4378564 + ... + 4378627.

It is an arithmetic number, because the mean of its divisors is an integer number (45975258).

Almost surely, 2^280230112 is an apocalyptic number.

It is an amenable number.

280230112 is a deficient number, since it is larger than the sum of its proper divisors (271472984).

280230112 is an equidigital number, since it uses as much as digits as its factorization.

280230112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8757201 (or 8757193 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 280230112 is about 16740.0750297004. The cubic root of 280230112 is about 654.3924300151.

Adding to 280230112 its reverse (211032082), we get a palindrome (491262194).

The spelling of 280230112 in words is "two hundred eighty million, two hundred thirty thousand, one hundred twelve".