791023 has 4 divisors (see below), whose sum is σ = 812440. Its totient is φ = 769608.

The previous prime is 791017. The next prime is 791029. The reversal of 791023 is 320197.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320197 = 97 ⋅3301.

It is an interprime number because it is at equal distance from previous prime (791017) and next prime (791029).

It is a cyclic number.

It is not a de Polignac number, because 791023 - 2⁵ = 790991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 790985 and 791003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10653 + ... + 10726.

It is an arithmetic number, because the mean of its divisors is an integer number (203110).

2⁷⁹¹⁰²³ is an apocalyptic number.

791023 is a deficient number, since it is larger than the sum of its proper divisors (21417).

791023 is a wasteful number, since it uses less digits than its factorization.

791023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21416.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 791023 is about 889.3947380101. The cubic root of 791023 is about 92.4832402068.

The spelling of 791023 in words is "seven hundred ninety-one thousand, twenty-three".