144226723 has 2 divisors, whose sum is σ = 144226724. Its totient is φ = 144226722.

The previous prime is 144226697. The next prime is 144226741. The reversal of 144226723 is 327622441.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (327622441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144226723 is a prime.

It is not a weakly prime, because it can be changed into another prime (144226783) 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, 72113361 + 72113362.

It is an arithmetic number, because the mean of its divisors is an integer number (72113362).

Almost surely, 2^144226723 is an apocalyptic number.

144226723 is a deficient number, since it is larger than the sum of its proper divisors (1).

144226723 is an equidigital number, since it uses as much as digits as its factorization.

144226723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 31.

The square root of 144226723 is about 12009.4430761797. The cubic root of 144226723 is about 524.4232190195.

The spelling of 144226723 in words is "one hundred forty-four million, two hundred twenty-six thousand, seven hundred twenty-three".