803394523 has 2 divisors, whose sum is σ = 803394524. Its totient is φ = 803394522.

The previous prime is 803394509. The next prime is 803394587. The reversal of 803394523 is 325493308.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 803394523 - 2²⁹ = 266523611 is a prime.

It is not a weakly prime, because it can be changed into another prime (803394223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401697261 + 401697262.

It is an arithmetic number, because the mean of its divisors is an integer number (401697262).

Almost surely, 2^803394523 is an apocalyptic number.

803394523 is a deficient number, since it is larger than the sum of its proper divisors (1).

803394523 is an equidigital number, since it uses as much as digits as its factorization.

803394523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 803394523 is about 28344.2149829555. The cubic root of 803394523 is about 929.6289123410.

The spelling of 803394523 in words is "eight hundred three million, three hundred ninety-four thousand, five hundred twenty-three".