675623 has 4 divisors (see below), whose sum is σ = 727608. Its totient is φ = 623640.

The previous prime is 675617. The next prime is 675629. The reversal of 675623 is 326576.

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

It is an interprime number because it is at equal distance from previous prime (675617) and next prime (675629).

It is a cyclic number.

It is not a de Polignac number, because 675623 - 2⁴ = 675607 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 (675629) 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, 25973 + ... + 25998.

It is an arithmetic number, because the mean of its divisors is an integer number (181902).

2⁶⁷⁵⁶²³ is an apocalyptic number.

675623 is a deficient number, since it is larger than the sum of its proper divisors (51985).

675623 is a wasteful number, since it uses less digits than its factorization.

675623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51984.

The product of its digits is 7560, while the sum is 29.

The square root of 675623 is about 821.9628945397. The cubic root of 675623 is about 87.7475114485.

The spelling of 675623 in words is "six hundred seventy-five thousand, six hundred twenty-three".