284057023 has 4 divisors (see below), whose sum is σ = 284188168. Its totient is φ = 283925880.

The previous prime is 284057021. The next prime is 284057071. The reversal of 284057023 is 320750482.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 284057023 - 2¹ = 284057021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284057021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62268 + ... + 66673.

It is an arithmetic number, because the mean of its divisors is an integer number (71047042).

Almost surely, 2^284057023 is an apocalyptic number.

284057023 is a deficient number, since it is larger than the sum of its proper divisors (131145).

284057023 is a wasteful number, since it uses less digits than its factorization.

284057023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131144.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 284057023 is about 16853.9913076992. The cubic root of 284057023 is about 657.3578351666.

The spelling of 284057023 in words is "two hundred eighty-four million, fifty-seven thousand, twenty-three".