3966354123 has 4 divisors (see below), whose sum is σ = 5288472168. Its totient is φ = 2644236080.

The previous prime is 3966354121. The next prime is 3966354131. The reversal of 3966354123 is 3214536693.

It is a happy number.

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 3966354123 - 2¹ = 3966354121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3966354121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 661059018 + ... + 661059023.

It is an arithmetic number, because the mean of its divisors is an integer number (1322118042).

Almost surely, 2^3966354123 is an apocalyptic number.

3966354123 is a deficient number, since it is larger than the sum of its proper divisors (1322118045).

3966354123 is a wasteful number, since it uses less digits than its factorization.

3966354123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322118044.

The product of its digits is 349920, while the sum is 42.

The square root of 3966354123 is about 62978.9974753489. The cubic root of 3966354123 is about 1582.9377223787.

The spelling of 3966354123 in words is "three billion, nine hundred sixty-six million, three hundred fifty-four thousand, one hundred twenty-three".