3123403120 has 20 divisors (see below), whose sum is σ = 7261912440. Its totient is φ = 1249361216.

The previous prime is 3123403117. The next prime is 3123403121. The reversal of 3123403120 is 213043213.

3123403120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123403121) 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, 19521190 + ... + 19521349.

It is an arithmetic number, because the mean of its divisors is an integer number (363095622).

Almost surely, 2^3123403120 is an apocalyptic number.

It is an amenable number.

3123403120 is an abundant number, since it is smaller than the sum of its proper divisors (4138509320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3123403120 is a wasteful number, since it uses less digits than its factorization.

3123403120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39042552 (or 39042546 counting only the distinct ones).

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

The square root of 3123403120 is about 55887.4146834509. The cubic root of 3123403120 is about 1461.7597970524.

Adding to 3123403120 its reverse (213043213), we get a palindrome (3336446333).

The spelling of 3123403120 in words is "three billion, one hundred twenty-three million, four hundred three thousand, one hundred twenty".