1444738523 has 8 divisors (see below), whose sum is σ = 1530304992. Its totient is φ = 1359236736.

The previous prime is 1444738507. The next prime is 1444738571. The reversal of 1444738523 is 3258374441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1444738523 - 2⁴ = 1444738507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444738573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34361 + ... + 63797.

It is an arithmetic number, because the mean of its divisors is an integer number (191288124).

Almost surely, 2^1444738523 is an apocalyptic number.

1444738523 is a deficient number, since it is larger than the sum of its proper divisors (85566469).

1444738523 is a wasteful number, since it uses less digits than its factorization.

1444738523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32341.

The product of its digits is 322560, while the sum is 41.

The square root of 1444738523 is about 38009.7161657385. The cubic root of 1444738523 is about 1130.4805231758.

The spelling of 1444738523 in words is "one billion, four hundred forty-four million, seven hundred thirty-eight thousand, five hundred twenty-three".