20080223 has 2 divisors, whose sum is σ = 20080224. Its totient is φ = 20080222.

The previous prime is 20080211. The next prime is 20080231. The reversal of 20080223 is 32208002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20080223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20080243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10040111 + 10040112.

It is an arithmetic number, because the mean of its divisors is an integer number (10040112).

Almost surely, 2^20080223 is an apocalyptic number.

20080223 is a deficient number, since it is larger than the sum of its proper divisors (1).

20080223 is an equidigital number, since it uses as much as digits as its factorization.

20080223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 20080223 is about 4481.0961828553. The cubic root of 20080223 is about 271.8042086882.

Adding to 20080223 its reverse (32208002), we get a palindrome (52288225).

The spelling of 20080223 in words is "twenty million, eighty thousand, two hundred twenty-three".