8131023 has 12 divisors (see below), whose sum is σ = 12180168. Its totient is φ = 5420520.

The previous prime is 8131003. The next prime is 8131033. The reversal of 8131023 is 3201318.

It is not a de Polignac number, because 8131023 - 2⁸ = 8130767 is a prime.

It is a super-2 number, since 2×8131023² = 132227070053058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8130987 and 8131005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8131003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16488 + ... + 16973.

It is an arithmetic number, because the mean of its divisors is an integer number (1015014).

Almost surely, 2^8131023 is an apocalyptic number.

8131023 is a deficient number, since it is larger than the sum of its proper divisors (4049145).

8131023 is an equidigital number, since it uses as much as digits as its factorization.

8131023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33476 (or 33464 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 8131023 is about 2851.4948711159. The cubic root of 8131023 is about 201.0859512111.

The spelling of 8131023 in words is "eight million, one hundred thirty-one thousand, twenty-three".