4440123 has 8 divisors (see below), whose sum is σ = 6578000. Its totient is φ = 2960064.

The previous prime is 4440089. The next prime is 4440131. The reversal of 4440123 is 3210444.

It is not a de Polignac number, because 4440123 - 2⁸ = 4439867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4440096 and 4440105.

It is not an unprimeable number, because it can be changed into a prime (4440133) 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, 82198 + ... + 82251.

It is an arithmetic number, because the mean of its divisors is an integer number (822250).

Almost surely, 2^4440123 is an apocalyptic number.

4440123 is a deficient number, since it is larger than the sum of its proper divisors (2137877).

4440123 is a wasteful number, since it uses less digits than its factorization.

4440123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164458 (or 164452 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4440123 is about 2107.1599369768. The cubic root of 4440123 is about 164.3608330159.

Adding to 4440123 its reverse (3210444), we get a palindrome (7650567).

The spelling of 4440123 in words is "four million, four hundred forty thousand, one hundred twenty-three".