3123423305 has 16 divisors (see below), whose sum is σ = 3837611520. Its totient is φ = 2439340992.

The previous prime is 3123423301. The next prime is 3123423307. The reversal of 3123423305 is 5033243213.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3123423305 - 2² = 3123423301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3123423301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76556 + ... + 110034.

It is an arithmetic number, because the mean of its divisors is an integer number (239850720).

Almost surely, 2^3123423305 is an apocalyptic number.

It is an amenable number.

3123423305 is a deficient number, since it is larger than the sum of its proper divisors (714188215).

3123423305 is a wasteful number, since it uses less digits than its factorization.

3123423305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33928.

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 3123423305 is about 55887.5952694334. The cubic root of 3123423305 is about 1461.7629459210.

Adding to 3123423305 its reverse (5033243213), we get a palindrome (8156666518).

The spelling of 3123423305 in words is "three billion, one hundred twenty-three million, four hundred twenty-three thousand, three hundred five".