288745923 has 4 divisors (see below), whose sum is σ = 384994568. Its totient is φ = 192497280.

The previous prime is 288745921. The next prime is 288745931. The reversal of 288745923 is 329547882.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 288745923 - 2¹ = 288745921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (288745921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48124318 + ... + 48124323.

It is an arithmetic number, because the mean of its divisors is an integer number (96248642).

Almost surely, 2^288745923 is an apocalyptic number.

288745923 is a deficient number, since it is larger than the sum of its proper divisors (96248645).

288745923 is an equidigital number, since it uses as much as digits as its factorization.

288745923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96248644.

The product of its digits is 967680, while the sum is 48.

The square root of 288745923 is about 16992.5255038796. The cubic root of 288745923 is about 660.9550933320.

The spelling of 288745923 in words is "two hundred eighty-eight million, seven hundred forty-five thousand, nine hundred twenty-three".