284572728223 has 8 divisors (see below), whose sum is σ = 329681126048. Its totient is φ = 240578118144.

The previous prime is 284572728211. The next prime is 284572728269. The reversal of 284572728223 is 322827275482.

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

It is not a de Polignac number, because 284572728223 - 2¹³ = 284572720031 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 (284572728203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278446386 + ... + 278447407.

It is an arithmetic number, because the mean of its divisors is an integer number (41210140756).

Almost surely, 2^284572728223 is an apocalyptic number.

284572728223 is a deficient number, since it is larger than the sum of its proper divisors (45108397825).

284572728223 is an equidigital number, since it uses as much as digits as its factorization.

284572728223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556893873.

The product of its digits is 6021120, while the sum is 52.

The spelling of 284572728223 in words is "two hundred eighty-four billion, five hundred seventy-two million, seven hundred twenty-eight thousand, two hundred twenty-three".