4099123 has 8 divisors (see below), whose sum is σ = 4733792. Its totient is φ = 3476736.

The previous prime is 4099093. The next prime is 4099133. The reversal of 4099123 is 3219904.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4099123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4099091 and 4099100.

It is not an unprimeable number, because it can be changed into a prime (4099133) 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, 2340 + ... + 3697.

It is an arithmetic number, because the mean of its divisors is an integer number (591724).

Almost surely, 2^4099123 is an apocalyptic number.

4099123 is a deficient number, since it is larger than the sum of its proper divisors (634669).

4099123 is an equidigital number, since it uses as much as digits as its factorization.

4099123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6141.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 4099123 is about 2024.6291018357. The cubic root of 4099123 is about 160.0406537321.

It can be divided in two parts, 40991 and 23, that added together give a palindrome (41014).

The spelling of 4099123 in words is "four million, ninety-nine thousand, one hundred twenty-three".