523307 has 2 divisors, whose sum is σ = 523308. Its totient is φ = 523306.

The previous prime is 523297. The next prime is 523333. The reversal of 523307 is 703325.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 523307 - 2¹⁰ = 522283 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (523357) 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 as a sum of consecutive naturals, namely, 261653 + 261654.

It is an arithmetic number, because the mean of its divisors is an integer number (261654).

2⁵²³³⁰⁷ is an apocalyptic number.

523307 is a deficient number, since it is larger than the sum of its proper divisors (1).

523307 is an equidigital number, since it uses as much as digits as its factorization.

523307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 20.

The square root of 523307 is about 723.3996129388. The cubic root of 523307 is about 80.5846235345.

The spelling of 523307 in words is "five hundred twenty-three thousand, three hundred seven".