973803823 has 2 divisors, whose sum is σ = 973803824. Its totient is φ = 973803822.

The previous prime is 973803799. The next prime is 973803863. The reversal of 973803823 is 328308379.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-973803823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 973803823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (973803863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486901911 + 486901912.

It is an arithmetic number, because the mean of its divisors is an integer number (486901912).

Almost surely, 2^973803823 is an apocalyptic number.

973803823 is a deficient number, since it is larger than the sum of its proper divisors (1).

973803823 is an equidigital number, since it uses as much as digits as its factorization.

973803823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 973803823 is about 31205.8299521099. The cubic root of 973803823 is about 991.1905627035.

The spelling of 973803823 in words is "nine hundred seventy-three million, eight hundred three thousand, eight hundred twenty-three".