3128372943 has 8 divisors (see below), whose sum is σ = 4201610928. Its totient is φ = 2070358464.

The previous prime is 3128372909. The next prime is 3128372953. The reversal of 3128372943 is 3492738213.

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

It is not a de Polignac number, because 3128372943 - 2¹⁰ = 3128371919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3128372895 and 3128372904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3128372953) 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, 3805396 + ... + 3806217.

It is an arithmetic number, because the mean of its divisors is an integer number (525201366).

Almost surely, 2^3128372943 is an apocalyptic number.

3128372943 is a deficient number, since it is larger than the sum of its proper divisors (1073237985).

3128372943 is a wasteful number, since it uses less digits than its factorization.

3128372943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7611753.

The product of its digits is 217728, while the sum is 42.

The square root of 3128372943 is about 55931.8598206782. The cubic root of 3128372943 is about 1462.5346823830.

The spelling of 3128372943 in words is "three billion, one hundred twenty-eight million, three hundred seventy-two thousand, nine hundred forty-three".