677023 has 4 divisors (see below), whose sum is σ = 684720. Its totient is φ = 669328.

The previous prime is 677021. The next prime is 677029. The reversal of 677023 is 320776.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 677023 - 2¹ = 677021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3715 + ... + 3892.

It is an arithmetic number, because the mean of its divisors is an integer number (171180).

2⁶⁷⁷⁰²³ is an apocalyptic number.

677023 is a deficient number, since it is larger than the sum of its proper divisors (7697).

677023 is an equidigital number, since it uses as much as digits as its factorization.

677023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7696.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 677023 is about 822.8140737737. The cubic root of 677023 is about 87.8080786391.

Adding to 677023 its reverse (320776), we get a palindrome (997799).

The spelling of 677023 in words is "six hundred seventy-seven thousand, twenty-three".