676543423 has 2 divisors, whose sum is σ = 676543424. Its totient is φ = 676543422.

The previous prime is 676543397. The next prime is 676543447. The reversal of 676543423 is 324345676.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 676543423 - 2⁵ = 676543391 is a prime.

It is a super-2 number, since 2×676543423² = 915422006409113858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676543493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338271711 + 338271712.

It is an arithmetic number, because the mean of its divisors is an integer number (338271712).

Almost surely, 2^676543423 is an apocalyptic number.

676543423 is a deficient number, since it is larger than the sum of its proper divisors (1).

676543423 is an equidigital number, since it uses as much as digits as its factorization.

676543423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 40.

The square root of 676543423 is about 26010.4483429256. The cubic root of 676543423 is about 877.8734045539.

The spelling of 676543423 in words is "six hundred seventy-six million, five hundred forty-three thousand, four hundred twenty-three".