1144323001 has 2 divisors, whose sum is σ = 1144323002. Its totient is φ = 1144323000.

The previous prime is 1144322999. The next prime is 1144323017. The reversal of 1144323001 is 1003234411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1137038400 + 7284601 = 33720^2 + 2699^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144323001 - 2¹ = 1144322999 is a prime.

Together with 1144322999, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1144323001.

It is not a weakly prime, because it can be changed into another prime (1144323101) 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 as a sum of consecutive naturals, namely, 572161500 + 572161501.

It is an arithmetic number, because the mean of its divisors is an integer number (572161501).

Almost surely, 2^1144323001 is an apocalyptic number.

It is an amenable number.

1144323001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144323001 is an equidigital number, since it uses as much as digits as its factorization.

1144323001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1144323001 is about 33827.8435759656. The cubic root of 1144323001 is about 1045.9627280961.

Adding to 1144323001 its reverse (1003234411), we get a palindrome (2147557412).

The spelling of 1144323001 in words is "one billion, one hundred forty-four million, three hundred twenty-three thousand, one".