283623 has 4 divisors (see below), whose sum is σ = 378168. Its totient is φ = 189080.

The previous prime is 283609. The next prime is 283631. The reversal of 283623 is 326382.

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 283623 - 2⁴ = 283607 is a prime.

It is a super-2 number, since 2×283623² = 160884012258, which contains 22 as substring.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 283593 and 283602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (281623) 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, 47268 + ... + 47273.

It is an arithmetic number, because the mean of its divisors is an integer number (94542).

2²⁸³⁶²³ is an apocalyptic number.

283623 is a deficient number, since it is larger than the sum of its proper divisors (94545).

283623 is an equidigital number, since it uses as much as digits as its factorization.

283623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94544.

The product of its digits is 1728, while the sum is 24.

The square root of 283623 is about 532.5626723682. The cubic root of 283623 is about 65.7022862688.

The spelling of 283623 in words is "two hundred eighty-three thousand, six hundred twenty-three".