3993123 has 4 divisors (see below), whose sum is σ = 5324168. Its totient is φ = 2662080.

The previous prime is 3993107. The next prime is 3993127. The reversal of 3993123 is 3213993.

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

It is not a de Polignac number, because 3993123 - 2⁴ = 3993107 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3993127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665518 + ... + 665523.

It is an arithmetic number, because the mean of its divisors is an integer number (1331042).

Almost surely, 2^3993123 is an apocalyptic number.

3993123 is a deficient number, since it is larger than the sum of its proper divisors (1331045).

3993123 is a wasteful number, since it uses less digits than its factorization.

3993123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331044.

The product of its digits is 4374, while the sum is 30.

The square root of 3993123 is about 1998.2800104090. The cubic root of 3993123 is about 158.6490817042.

The spelling of 3993123 in words is "three million, nine hundred ninety-three thousand, one hundred twenty-three".