288823 has 2 divisors, whose sum is σ = 288824. Its totient is φ = 288822.

The previous prime is 288817. The next prime is 288833. The reversal of 288823 is 328882.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-288823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (288803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144411 + 144412.

It is an arithmetic number, because the mean of its divisors is an integer number (144412).

2²⁸⁸⁸²³ is an apocalyptic number.

288823 is a deficient number, since it is larger than the sum of its proper divisors (1).

288823 is an equidigital number, since it uses as much as digits as its factorization.

288823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6144, while the sum is 31.

The square root of 288823 is about 537.4225525599. The cubic root of 288823 is about 66.1013899246.

It can be divided in two parts, 288 and 823, that added together give a palindrome (1111).

The spelling of 288823 in words is "two hundred eighty-eight thousand, eight hundred twenty-three".