4445123 has 4 divisors (see below), whose sum is σ = 4459728. Its totient is φ = 4430520.

The previous prime is 4445113. The next prime is 4445153. The reversal of 4445123 is 3215444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4445123 - 2¹⁸ = 4182979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4445113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6836 + ... + 7457.

It is an arithmetic number, because the mean of its divisors is an integer number (1114932).

Almost surely, 2^4445123 is an apocalyptic number.

4445123 is a deficient number, since it is larger than the sum of its proper divisors (14605).

4445123 is a wasteful number, since it uses less digits than its factorization.

4445123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14604.

The product of its digits is 1920, while the sum is 23.

The square root of 4445123 is about 2108.3460342173. The cubic root of 4445123 is about 164.4225051724.

The spelling of 4445123 in words is "four million, four hundred forty-five thousand, one hundred twenty-three".