288831823 has 12 divisors (see below), whose sum is σ = 336289512. Its totient is φ = 247348080.

The previous prime is 288831761. The next prime is 288831833. The reversal of 288831823 is 328138882.

It is not a de Polignac number, because 288831823 - 2⁹ = 288831311 is a prime.

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 288831823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288831833) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76408 + ... + 80098.

It is an arithmetic number, because the mean of its divisors is an integer number (28024126).

Almost surely, 2^288831823 is an apocalyptic number.

288831823 is a deficient number, since it is larger than the sum of its proper divisors (47457689).

288831823 is a wasteful number, since it uses less digits than its factorization.

288831823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5302 (or 5295 counting only the distinct ones).

The product of its digits is 147456, while the sum is 43.

The square root of 288831823 is about 16995.0528978288. The cubic root of 288831823 is about 661.0206300880.

The spelling of 288831823 in words is "two hundred eighty-eight million, eight hundred thirty-one thousand, eight hundred twenty-three".