657677323 has 2 divisors, whose sum is σ = 657677324. Its totient is φ = 657677322.

The previous prime is 657677297. The next prime is 657677353. The reversal of 657677323 is 323776756.

657677323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 657677323 - 2¹⁷ = 657546251 is a prime.

It is a super-2 number, since 2×657677323² = 865078922376892658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (657677353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328838661 + 328838662.

It is an arithmetic number, because the mean of its divisors is an integer number (328838662).

Almost surely, 2^657677323 is an apocalyptic number.

657677323 is a deficient number, since it is larger than the sum of its proper divisors (1).

657677323 is an equidigital number, since it uses as much as digits as its factorization.

657677323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1111320, while the sum is 46.

The square root of 657677323 is about 25645.2202759111. The cubic root of 657677323 is about 869.6362256847.

The spelling of 657677323 in words is "six hundred fifty-seven million, six hundred seventy-seven thousand, three hundred twenty-three".