3120780823 has 8 divisors (see below), whose sum is σ = 3140360496. Its totient is φ = 3101227200.

The previous prime is 3120780809. The next prime is 3120780833. The reversal of 3120780823 is 3280870213.

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

It is a cyclic number.

It is not a de Polignac number, because 3120780823 - 2¹³ = 3120772631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120780833) 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, 270003 + ... + 281323.

It is an arithmetic number, because the mean of its divisors is an integer number (392545062).

Almost surely, 2^3120780823 is an apocalyptic number.

3120780823 is a deficient number, since it is larger than the sum of its proper divisors (19579673).

3120780823 is a wasteful number, since it uses less digits than its factorization.

3120780823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13025.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 3120780823 is about 55863.9492248803. The cubic root of 3120780823 is about 1461.3506021867.

The spelling of 3120780823 in words is "three billion, one hundred twenty million, seven hundred eighty thousand, eight hundred twenty-three".