1144420323 has 32 divisors (see below), whose sum is σ = 1590834432. Its totient is φ = 731203200.

The previous prime is 1144420309. The next prime is 1144420337. The reversal of 1144420323 is 3230244411.

It is an interprime number because it is at equal distance from previous prime (1144420309) and next prime (1144420337).

It is not a de Polignac number, because 1144420323 - 2⁹ = 1144419811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1144420293 and 1144420302.

It is not an unprimeable number, because it can be changed into a prime (1144420423) 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 in 31 ways as a sum of consecutive naturals, for example, 3067965 + ... + 3068337.

It is an arithmetic number, because the mean of its divisors is an integer number (49713576).

Almost surely, 2^1144420323 is an apocalyptic number.

1144420323 is a deficient number, since it is larger than the sum of its proper divisors (446414109).

1144420323 is a wasteful number, since it uses less digits than its factorization.

1144420323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1144420323 is about 33829.2820349472. The cubic root of 1144420323 is about 1045.9923794850.

Adding to 1144420323 its reverse (3230244411), we get a palindrome (4374664734).

The spelling of 1144420323 in words is "one billion, one hundred forty-four million, four hundred twenty thousand, three hundred twenty-three".