284442323 has 6 divisors (see below), whose sum is σ = 312651612. Its totient is φ = 258583820.

The previous prime is 284442313. The next prime is 284442337. The reversal of 284442323 is 323244482.

It is not a de Polignac number, because 284442323 - 2⁴ = 284442307 is a prime.

It is a super-2 number, since 2×284442323² = 161814870227272658, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 284442323.

It is not an unprimeable number, because it can be changed into a prime (284442313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1175261 + ... + 1175502.

It is an arithmetic number, because the mean of its divisors is an integer number (52108602).

Almost surely, 2^284442323 is an apocalyptic number.

284442323 is a deficient number, since it is larger than the sum of its proper divisors (28209289).

284442323 is a wasteful number, since it uses less digits than its factorization.

284442323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2350785 (or 2350774 counting only the distinct ones).

The product of its digits is 36864, while the sum is 32.

The square root of 284442323 is about 16865.4179610231. The cubic root of 284442323 is about 657.6549181720.

The spelling of 284442323 in words is "two hundred eighty-four million, four hundred forty-two thousand, three hundred twenty-three".