1144451323 has 2 divisors, whose sum is σ = 1144451324. Its totient is φ = 1144451322.

The previous prime is 1144451281. The next prime is 1144451351. The reversal of 1144451323 is 3231544411.

It is an a-pointer prime, because the next prime (1144451351) can be obtained adding 1144451323 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144451323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1144451291 and 1144451300.

It is not a weakly prime, because it can be changed into another prime (1144451023) 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, 572225661 + 572225662.

It is an arithmetic number, because the mean of its divisors is an integer number (572225662).

Almost surely, 2^1144451323 is an apocalyptic number.

1144451323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144451323 is an equidigital number, since it uses as much as digits as its factorization.

1144451323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 28.

The square root of 1144451323 is about 33829.7402147873. The cubic root of 1144451323 is about 1046.0018239960.

Adding to 1144451323 its reverse (3231544411), we get a palindrome (4375995734).

The spelling of 1144451323 in words is "one billion, one hundred forty-four million, four hundred fifty-one thousand, three hundred twenty-three".