3128523768 has 48 divisors (see below), whose sum is σ = 8476678080. Its totient is φ = 1042399104.

The previous prime is 3128523767. The next prime is 3128523823. The reversal of 3128523768 is 8673258213.

3128523768 is a `hidden beast` number, since 31 + 28 + 523 + 76 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3128523767) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192121 + ... + 207767.

It is an arithmetic number, because the mean of its divisors is an integer number (176597460).

Almost surely, 2^3128523768 is an apocalyptic number.

It is an amenable number.

3128523768 is an abundant number, since it is smaller than the sum of its proper divisors (5348154312).

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

3128523768 is a wasteful number, since it uses less digits than its factorization.

3128523768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18436 (or 18429 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 3128523768 is about 55933.2080968006. The cubic root of 3128523768 is about 1462.5581858945.

The spelling of 3128523768 in words is "three billion, one hundred twenty-eight million, five hundred twenty-three thousand, seven hundred sixty-eight".