1444501323 has 16 divisors (see below), whose sum is σ = 2142084000. Its totient is φ = 962064000.

The previous prime is 1444501309. The next prime is 1444501343. The reversal of 1444501323 is 3231054441.

It is a happy number.

It is not a de Polignac number, because 1444501323 - 2⁵ = 1444501291 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1444501343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2823 + ... + 53823.

It is an arithmetic number, because the mean of its divisors is an integer number (133880250).

Almost surely, 2^1444501323 is an apocalyptic number.

1444501323 is a deficient number, since it is larger than the sum of its proper divisors (697582677).

1444501323 is a wasteful number, since it uses less digits than its factorization.

1444501323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52059 (or 52053 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1444501323 is about 38006.5957828375. The cubic root of 1444501323 is about 1130.4186516209.

Adding to 1444501323 its reverse (3231054441), we get a palindrome (4675555764).

The spelling of 1444501323 in words is "one billion, four hundred forty-four million, five hundred one thousand, three hundred twenty-three".