803923 has 4 divisors (see below), whose sum is σ = 829888. Its totient is φ = 777960.

The previous prime is 803921. The next prime is 803927. The reversal of 803923 is 329308.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 803923 - 2¹ = 803921 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (803921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12936 + ... + 12997.

It is an arithmetic number, because the mean of its divisors is an integer number (207472).

2⁸⁰³⁹²³ is an apocalyptic number.

803923 is a deficient number, since it is larger than the sum of its proper divisors (25965).

803923 is a wasteful number, since it uses less digits than its factorization.

803923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25964.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 803923 is about 896.6175327307. The cubic root of 803923 is about 92.9832705870.

The spelling of 803923 in words is "eight hundred three thousand, nine hundred twenty-three".