288905940423 has 12 divisors (see below), whose sum is σ = 417335021688. Its totient is φ = 192591756720.

The previous prime is 288905940373. The next prime is 288905940469. The reversal of 288905940423 is 324049509882.

288905940423 is a `hidden beast` number, since 2 + 8 + 8 + 9 + 0 + 594 + 0 + 42 + 3 = 666.

It is not a de Polignac number, because 288905940423 - 2⁶ = 288905940359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 288905940423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288905940823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 865848 + ... + 1152173.

It is an arithmetic number, because the mean of its divisors is an integer number (34777918474).

Almost surely, 2^288905940423 is an apocalyptic number.

288905940423 is a deficient number, since it is larger than the sum of its proper divisors (128429081265).

288905940423 is a wasteful number, since it uses less digits than its factorization.

288905940423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033934 (or 2033931 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 288905940423 in words is "two hundred eighty-eight billion, nine hundred five million, nine hundred forty thousand, four hundred twenty-three".