208023 has 4 divisors (see below), whose sum is σ = 277368. Its totient is φ = 138680.

The previous prime is 208009. The next prime is 208037. The reversal of 208023 is 320802.

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 (208009) and next prime (208037).

It is a cyclic number.

It is not a de Polignac number, because 208023 - 2⁹ = 207511 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 207993 and 208011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34668 + ... + 34673.

It is an arithmetic number, because the mean of its divisors is an integer number (69342).

2²⁰⁸⁰²³ is an apocalyptic number.

208023 is a deficient number, since it is larger than the sum of its proper divisors (69345).

208023 is an equidigital number, since it uses as much as digits as its factorization.

208023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69344.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 208023 is about 456.0953847607. The cubic root of 208023 is about 59.2521051790.

Adding to 208023 its reverse (320802), we get a palindrome (528825).

The spelling of 208023 in words is "two hundred eight thousand, twenty-three".