3189308128923 has 32 divisors (see below), whose sum is σ = 4962432024576. Its totient is φ = 1784376027648.

The previous prime is 3189308128913. The next prime is 3189308128943. The reversal of 3189308128923 is 3298218039813.

It is a happy number.

It is not a de Polignac number, because 3189308128923 - 2¹⁷ = 3189307997851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3189308128913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7382811 + ... + 7802852.

It is an arithmetic number, because the mean of its divisors is an integer number (155076000768).

Almost surely, 2^{3189308128923} is an apocalyptic number.

3189308128923 is a deficient number, since it is larger than the sum of its proper divisors (1773123895653).

3189308128923 is a wasteful number, since it uses less digits than its factorization.

3189308128923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15185883.

The product of its (nonzero) digits is 4478976, while the sum is 57.

The spelling of 3189308128923 in words is "three trillion, one hundred eighty-nine billion, three hundred eight million, one hundred twenty-eight thousand, nine hundred twenty-three".