280123970 has 16 divisors (see below), whose sum is σ = 576255168. Its totient is φ = 96042480.

The previous prime is 280123951. The next prime is 280123999. The reversal of 280123970 is 79321082.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2000816 + ... + 2000955.

It is an arithmetic number, because the mean of its divisors is an integer number (36015948).

Almost surely, 2^280123970 is an apocalyptic number.

280123970 is an abundant number, since it is smaller than the sum of its proper divisors (296131198).

280123970 is a wasteful number, since it uses less digits than its factorization.

280123970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4001785.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 280123970 is about 16736.9044330187. The cubic root of 280123970 is about 654.3097987658.

The spelling of 280123970 in words is "two hundred eighty million, one hundred twenty-three thousand, nine hundred seventy".