4099423 has 4 divisors (see below), whose sum is σ = 4110048. Its totient is φ = 4088800.

The previous prime is 4099369. The next prime is 4099441. The reversal of 4099423 is 3249904.

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 4099423 - 2⁹ = 4098911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4099463) 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, 4711 + ... + 5512.

It is an arithmetic number, because the mean of its divisors is an integer number (1027512).

Almost surely, 2^4099423 is an apocalyptic number.

4099423 is a deficient number, since it is larger than the sum of its proper divisors (10625).

4099423 is a wasteful number, since it uses less digits than its factorization.

4099423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10624.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 4099423 is about 2024.7031881241. The cubic root of 4099423 is about 160.0445579026.

The spelling of 4099423 in words is "four million, ninety-nine thousand, four hundred twenty-three".