1444002123 has 32 divisors (see below), whose sum is σ = 2045781504. Its totient is φ = 904096512.

The previous prime is 1444002121. The next prime is 1444002137. The reversal of 1444002123 is 3212004441.

It is not a de Polignac number, because 1444002123 - 2¹ = 1444002121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1444002123.

It is not an unprimeable number, because it can be changed into a prime (1444002121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1424965 + ... + 1425977.

It is an arithmetic number, because the mean of its divisors is an integer number (63930672).

Almost surely, 2^1444002123 is an apocalyptic number.

1444002123 is a deficient number, since it is larger than the sum of its proper divisors (601779381).

1444002123 is a wasteful number, since it uses less digits than its factorization.

1444002123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1444002123 is about 38000.0279342003. The cubic root of 1444002123 is about 1130.2884175164.

Adding to 1444002123 its reverse (3212004441), we get a palindrome (4656006564).

The spelling of 1444002123 in words is "one billion, four hundred forty-four million, two thousand, one hundred twenty-three".