3120203423 has 4 divisors (see below), whose sum is σ = 3133595088. Its totient is φ = 3106811760.

The previous prime is 3120203407. The next prime is 3120203491. The reversal of 3120203423 is 3243020213.

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 3120203423 - 2⁴ = 3120203407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3120203395 and 3120203404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120203923) 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, 6695483 + ... + 6695948.

It is an arithmetic number, because the mean of its divisors is an integer number (783398772).

Almost surely, 2^3120203423 is an apocalyptic number.

3120203423 is a deficient number, since it is larger than the sum of its proper divisors (13391665).

3120203423 is a wasteful number, since it uses less digits than its factorization.

3120203423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13391664.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 3120203423 is about 55858.7810733460. The cubic root of 3120203423 is about 1461.2604713370.

Adding to 3120203423 its reverse (3243020213), we get a palindrome (6363223636).

The spelling of 3120203423 in words is "three billion, one hundred twenty million, two hundred three thousand, four hundred twenty-three".