284057743423 has 4 divisors (see below), whose sum is σ = 284059749888. Its totient is φ = 284055736960.

The previous prime is 284057743373. The next prime is 284057743439. The reversal of 284057743423 is 324347750482.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-284057743423 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284057743223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773311 + ... + 1079872.

It is an arithmetic number, because the mean of its divisors is an integer number (71014937472).

Almost surely, 2^284057743423 is an apocalyptic number.

284057743423 is a deficient number, since it is larger than the sum of its proper divisors (2006465).

284057743423 is a wasteful number, since it uses less digits than its factorization.

284057743423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006464.

The product of its (nonzero) digits is 4515840, while the sum is 49.

The spelling of 284057743423 in words is "two hundred eighty-four billion, fifty-seven million, seven hundred forty-three thousand, four hundred twenty-three".