686183023 has 2 divisors, whose sum is σ = 686183024. Its totient is φ = 686183022.

The previous prime is 686183021. The next prime is 686183051. The reversal of 686183023 is 320381686.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 686183023 - 2¹ = 686183021 is a prime.

Together with 686183021, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (686183021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 343091511 + 343091512.

It is an arithmetic number, because the mean of its divisors is an integer number (343091512).

Almost surely, 2^686183023 is an apocalyptic number.

686183023 is a deficient number, since it is larger than the sum of its proper divisors (1).

686183023 is an equidigital number, since it uses as much as digits as its factorization.

686183023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 686183023 is about 26195.0953997118. The cubic root of 686183023 is about 882.0231614659.

The spelling of 686183023 in words is "six hundred eighty-six million, one hundred eighty-three thousand, twenty-three".