3201123009 has 24 divisors (see below), whose sum is σ = 5010582720. Its totient is φ = 1812422304.

The previous prime is 3201122999. The next prime is 3201123017. The reversal of 3201123009 is 9003211023.

It is a happy number.

3201123009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3201123009 - 2⁸ = 3201122753 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (3203123009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83869 + ... + 115914.

It is an arithmetic number, because the mean of its divisors is an integer number (208774280).

Almost surely, 2^3201123009 is an apocalyptic number.

It is an amenable number.

3201123009 is a deficient number, since it is larger than the sum of its proper divisors (1809459711).

3201123009 is a wasteful number, since it uses less digits than its factorization.

3201123009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199909 (or 199902 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 3201123009 is about 56578.4677152006. The cubic root of 3201123009 is about 1473.7849626500.

The spelling of 3201123009 in words is "three billion, two hundred one million, one hundred twenty-three thousand, nine".