288799123 has 2 divisors, whose sum is σ = 288799124. Its totient is φ = 288799122.

The previous prime is 288799117. The next prime is 288799163. The reversal of 288799123 is 321997882.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-288799123 is a prime.

It is not a weakly prime, because it can be changed into another prime (288799163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144399561 + 144399562.

It is an arithmetic number, because the mean of its divisors is an integer number (144399562).

Almost surely, 2^288799123 is an apocalyptic number.

288799123 is a deficient number, since it is larger than the sum of its proper divisors (1).

288799123 is an equidigital number, since it uses as much as digits as its factorization.

288799123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 49.

The square root of 288799123 is about 16994.0908259312. The cubic root of 288799123 is about 660.9956834020.

The spelling of 288799123 in words is "two hundred eighty-eight million, seven hundred ninety-nine thousand, one hundred twenty-three".