831023 has 2 divisors, whose sum is σ = 831024. Its totient is φ = 831022.

The previous prime is 830989. The next prime is 831031. The reversal of 831023 is 320138.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 831023 - 2¹² = 826927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 830992 and 831010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (831043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415511 + 415512.

It is an arithmetic number, because the mean of its divisors is an integer number (415512).

2⁸³¹⁰²³ is an apocalyptic number.

831023 is a deficient number, since it is larger than the sum of its proper divisors (1).

831023 is an equidigital number, since it uses as much as digits as its factorization.

831023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 831023 is about 911.6046292116. The cubic root of 831023 is about 94.0165581213.

The spelling of 831023 in words is "eight hundred thirty-one thousand, twenty-three".