281423034 has 24 divisors (see below), whose sum is σ = 610059060. Its totient is φ = 93760128.

The previous prime is 281423017. The next prime is 281423063. The reversal of 281423034 is 430324182.

It can be written as a sum of positive squares in 2 ways, for example, as 277322409 + 4100625 = 16653^2 + 2025^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 281422989 and 281423007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64432 + ... + 68660.

Almost surely, 2^281423034 is an apocalyptic number.

281423034 is an abundant number, since it is smaller than the sum of its proper divisors (328636026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

281423034 is a wasteful number, since it uses less digits than its factorization.

281423034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7934 (or 7931 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 281423034 is about 16775.6679151681. The cubic root of 281423034 is about 655.3196846708.

The spelling of 281423034 in words is "two hundred eighty-one million, four hundred twenty-three thousand, thirty-four".