1444165423 has 8 divisors (see below), whose sum is σ = 1531660896. Its totient is φ = 1358728800.

The previous prime is 1444165343. The next prime is 1444165441. The reversal of 1444165423 is 3245614441.

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 1444165423 - 2²⁹ = 907294511 is a prime.

It is a super-2 number, since 2×1444165423² = 4171227537977537858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444165823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513268 + ... + 516073.

It is an arithmetic number, because the mean of its divisors is an integer number (191457612).

Almost surely, 2^1444165423 is an apocalyptic number.

1444165423 is a deficient number, since it is larger than the sum of its proper divisors (87495473).

1444165423 is a wasteful number, since it uses less digits than its factorization.

1444165423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029425.

The product of its digits is 46080, while the sum is 34.

The square root of 1444165423 is about 38002.1765560869. The cubic root of 1444165423 is about 1130.3310234420.

Adding to 1444165423 its reverse (3245614441), we get a palindrome (4689779864).

The spelling of 1444165423 in words is "one billion, four hundred forty-four million, one hundred sixty-five thousand, four hundred twenty-three".