3120123403 has 8 divisors (see below), whose sum is σ = 3139145280. Its totient is φ = 3101119560.

The previous prime is 3120123401. The next prime is 3120123497. The reversal of 3120123403 is 3043210213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3120123403 - 2¹ = 3120123401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3120123401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528876 + ... + 534742.

It is an arithmetic number, because the mean of its divisors is an integer number (392393160).

Almost surely, 2^3120123403 is an apocalyptic number.

3120123403 is a deficient number, since it is larger than the sum of its proper divisors (19021877).

3120123403 is a wasteful number, since it uses less digits than its factorization.

3120123403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9017.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3120123403 is about 55858.0647982008. The cubic root of 3120123403 is about 1461.2479795166.

Adding to 3120123403 its reverse (3043210213), we get a palindrome (6163333616).

The spelling of 3120123403 in words is "three billion, one hundred twenty million, one hundred twenty-three thousand, four hundred three".