288938123 has 2 divisors, whose sum is σ = 288938124. Its totient is φ = 288938122.

The previous prime is 288938119. The next prime is 288938129. The reversal of 288938123 is 321839882.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 288938123 - 2² = 288938119 is a prime.

It is not a weakly prime, because it can be changed into another prime (288938129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144469061 + 144469062.

It is an arithmetic number, because the mean of its divisors is an integer number (144469062).

Almost surely, 2^288938123 is an apocalyptic number.

288938123 is a deficient number, since it is larger than the sum of its proper divisors (1).

288938123 is an equidigital number, since it uses as much as digits as its factorization.

288938123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 44.

The square root of 288938123 is about 16998.1799908108. The cubic root of 288938123 is about 661.1017128831.

The spelling of 288938123 in words is "two hundred eighty-eight million, nine hundred thirty-eight thousand, one hundred twenty-three".