228044723 has 2 divisors, whose sum is σ = 228044724. Its totient is φ = 228044722.

The previous prime is 228044693. The next prime is 228044731. The reversal of 228044723 is 327440822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228044723 - 2⁶ = 228044659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228044723.

It is not a weakly prime, because it can be changed into another prime (228044123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114022361 + 114022362.

It is an arithmetic number, because the mean of its divisors is an integer number (114022362).

Almost surely, 2^228044723 is an apocalyptic number.

228044723 is a deficient number, since it is larger than the sum of its proper divisors (1).

228044723 is an equidigital number, since it uses as much as digits as its factorization.

228044723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 228044723 is about 15101.1497244415. The cubic root of 228044723 is about 610.9514159606.

The spelling of 228044723 in words is "two hundred twenty-eight million, forty-four thousand, seven hundred twenty-three".