281783783078223 has 8 divisors (see below), whose sum is σ = 375712030723200. Its totient is φ = 187855695409368.

The previous prime is 281783783078191. The next prime is 281783783078227. The reversal of 281783783078223 is 322870387387182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 281783783078223 - 2⁵ = 281783783078191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (281783783078227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35821893 + ... + 42974126.

It is an arithmetic number, because the mean of its divisors is an integer number (46964003840400).

Almost surely, 2^{281783783078223} is an apocalyptic number.

281783783078223 is a deficient number, since it is larger than the sum of its proper divisors (93928247644977).

281783783078223 is a wasteful number, since it uses less digits than its factorization.

281783783078223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79988061.

The product of its (nonzero) digits is 303464448, while the sum is 69.

The spelling of 281783783078223 in words is "two hundred eighty-one trillion, seven hundred eighty-three billion, seven hundred eighty-three million, seventy-eight thousand, two hundred twenty-three".