1173680823 has 32 divisors (see below), whose sum is σ = 1869668352. Its totient is φ = 640332000.

The previous prime is 1173680819. The next prime is 1173680857. The reversal of 1173680823 is 3280863711.

It is not a de Polignac number, because 1173680823 - 2² = 1173680819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1173680023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 302848 + ... + 306698.

It is an arithmetic number, because the mean of its divisors is an integer number (58427136).

Almost surely, 2^1173680823 is an apocalyptic number.

1173680823 is a deficient number, since it is larger than the sum of its proper divisors (695987529).

1173680823 is a wasteful number, since it uses less digits than its factorization.

1173680823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4515.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 1173680823 is about 34259.0254239667. The cubic root of 1173680823 is about 1054.8320968468.

The spelling of 1173680823 in words is "one billion, one hundred seventy-three million, six hundred eighty thousand, eight hundred twenty-three".